1459 lines
56 KiB
JavaScript
1459 lines
56 KiB
JavaScript
/*
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* jQuery contextMenu - Plugin for simple contextMenu handling
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*
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* Version: 1.5.8
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*
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* Authors: Rodney Rehm, Addy Osmani (patches for FF)
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* Web: http://medialize.github.com/jQuery-contextMenu/
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*
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* Licensed under
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* MIT License http://www.opensource.org/licenses/mit-license
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* GPL v3 http://opensource.org/licenses/GPL-3.0
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*
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*/
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(function($, undefined){
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// TODO: -
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// ARIA stuff: menuitem, menuitemcheckbox und menuitemradio
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// create <menu> structure if $.support[htmlCommand || htmlMenuitem] and !opt.disableNative
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// determine html5 compatibility
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$.support.htmlMenuitem = ('HTMLMenuItemElement' in window);
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$.support.htmlCommand = ('HTMLCommandElement' in window);
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var // currently active contextMenu trigger
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$currentTrigger = null,
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// is contextMenu initialized with at least one menu?
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initialized = false,
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// flag stating to ignore the contextmenu event
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ignoreThisClick = false,
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// window handle
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$win = $(window),
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// number of registered menus
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counter = 0,
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// mapping selector to namespace
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namespaces = {},
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// mapping namespace to options
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menus = {},
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// custom command type handlers
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types = {},
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// default values
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defaults = {
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// selector of contextMenu trigger
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selector: null,
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// where to append the menu to
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appendTo: null,
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// method to trigger context menu ["right", "left", "hover"]
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trigger: "right",
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// hide menu when mouse leaves trigger / menu elements
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autoHide: false,
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// ignore right click triggers for left, hover or custom activation
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ignoreRightClick: false,
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// ms to wait before showing a hover-triggered context menu
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delay: 200,
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// determine position to show menu at
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determinePosition: function($menu) {
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// position to the lower middle of the trigger element
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if ($.ui && $.ui.position) {
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// .position() is provided as a jQuery UI utility
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// (...and it won't work on hidden elements)
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$menu.css('display', 'block').position({
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my: "center top",
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at: "center bottom",
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of: this,
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offset: "0 5",
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collision: "fit"
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}).css('display', 'none');
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} else {
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// determine contextMenu position
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var offset = this.offset();
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offset.top += this.outerHeight();
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offset.left += this.outerWidth() / 2 - $menu.outerWidth() / 2;
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$menu.css(offset);
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}
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},
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// position menu
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position: function(opt, x, y) {
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var $this = this,
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offset;
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// determine contextMenu position
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if (!x && !y) {
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opt.determinePosition.call(this, opt.$menu);
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return;
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} else if (x === "maintain" && y === "maintain") {
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// x and y must not be changed (after re-show on command click)
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offset = opt.$menu.position();
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} else {
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// x and y are given (by mouse event)
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var triggerIsFixed = opt.$trigger.parents().andSelf()
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.filter(function() {
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return $(this).css('position') == "fixed";
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}).length;
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if (triggerIsFixed) {
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y -= $win.scrollTop();
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x -= $win.scrollLeft();
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}
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offset = {top: y, left: x};
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}
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// correct offset if viewport demands it
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var bottom = $win.scrollTop() + $win.height(),
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right = $win.scrollLeft() + $win.width(),
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height = opt.$menu.height(),
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width = opt.$menu.width();
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if (offset.top + height > bottom) {
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offset.top -= height;
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}
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if (offset.left + width > right) {
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offset.left -= width;
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}
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opt.$menu.css(offset);
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},
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// position the sub-menu
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positionSubmenu: function($menu) {
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if ($.ui && $.ui.position) {
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// .position() is provided as a jQuery UI utility
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// (...and it won't work on hidden elements)
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$menu.css('display', 'block').position({
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my: "left top",
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at: "right top",
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of: this,
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collision: "fit"
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}).css('display', '');
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} else {
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// determine contextMenu position
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var offset = this.offset();
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offset.top += 0;
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offset.left += this.outerWidth();
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$menu.css(offset);
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}
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},
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// offset to add to zIndex
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zIndex: 1,
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// show hide animation settings
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animation: {
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duration: 50,
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show: 'slideDown',
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hide: 'slideUp'
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},
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// events
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events: {
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show: $.noop,
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hide: $.noop
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},
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// default callback
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callback: null,
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// list of contextMenu items
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items: {}
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},
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// mouse position for hover activation
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hoveract = {
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timer: null,
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pageX: null,
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pageY: null
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},
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// determine zIndex
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zindex = function($t) {
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var zin = 0,
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$tt = $t;
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while (true) {
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zin = Math.max(zin, parseInt($tt.css('z-index'), 10) || 0);
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$tt = $tt.parent();
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if (!$tt || !$tt.length || $tt.prop('nodeName').toLowerCase() == 'body') {
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break;
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}
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}
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return zin;
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},
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// event handlers
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handle = {
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// abort anything
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abortevent: function(e){
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e.preventDefault();
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e.stopImmediatePropagation();
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},
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// contextmenu show dispatcher
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contextmenu: function(e) {
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var $this = $(this);
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// disable actual context-menu
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e.preventDefault();
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e.stopImmediatePropagation();
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// ignore right click trigger
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if (ignoreThisClick) {
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ignoreThisClick = false;
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return;
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}
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if (!$this.hasClass('context-menu-disabled')) {
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// theoretically need to fire a show event at <menu>
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// http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#context-menus
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// var evt = jQuery.Event("show", { data: data, pageX: e.pageX, pageY: e.pageY, relatedTarget: this });
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// e.data.$menu.trigger(evt);
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$currentTrigger = $this;
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if (e.data.build) {
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// dynamically build menu on invocation
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$.extend(true, e.data, defaults, e.data.build($currentTrigger, e) || {});
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op.create(e.data);
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}
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// show menu
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op.show.call($this, e.data, e.pageX, e.pageY);
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}
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},
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// contextMenu left-click trigger
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click: function(e) {
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e.preventDefault();
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e.stopImmediatePropagation();
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$(this).trigger(jQuery.Event("contextmenu", { data: e.data, pageX: e.pageX, pageY: e.pageY }));
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},
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// contextMenu right-click trigger
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mousedown: function(e) {
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// register mouse down
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var $this = $(this);
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// hide any previous menus
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if ($currentTrigger && $currentTrigger.length && !$currentTrigger.is($this)) {
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$currentTrigger.data('contextMenu').$menu.trigger('contextmenu:hide');
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}
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// activate on right click
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if (e.button == 2) {
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$currentTrigger = $this.data('contextMenuActive', true);
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}
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},
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// contextMenu right-click trigger
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mouseup: function(e) {
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// show menu
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var $this = $(this);
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if ($this.data('contextMenuActive') && $currentTrigger && $currentTrigger.length && $currentTrigger.is($this) && !$this.hasClass('context-menu-disabled')) {
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e.preventDefault();
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e.stopImmediatePropagation();
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$currentTrigger = $this;
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$this.trigger(jQuery.Event("contextmenu", { data: e.data, pageX: e.pageX, pageY: e.pageY }));
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}
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$this.removeData('contextMenuActive');
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},
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// contextMenu hover trigger
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mouseenter: function(e) {
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var $this = $(this),
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$related = $(e.relatedTarget),
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$document = $(document);
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// abort if we're coming from a menu
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if ($related.is('.context-menu-list') || $related.closest('.context-menu-list').length) {
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return;
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}
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// abort if a menu is shown
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if ($currentTrigger && $currentTrigger.length) {
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return;
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}
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hoveract.pageX = e.pageX;
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hoveract.pageY = e.pageY;
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hoveract.data = e.data;
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$document.on('mousemove.contextMenuShow', handle.mousemove);
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hoveract.timer = setTimeout(function() {
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hoveract.timer = null;
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$document.off('mousemove.contextMenuShow');
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$currentTrigger = $this;
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$this.trigger(jQuery.Event("contextmenu", { data: hoveract.data, pageX: hoveract.pageX, pageY: hoveract.pageY }));
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}, e.data.delay );
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},
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// contextMenu hover trigger
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mousemove: function(e) {
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hoveract.pageX = e.pageX;
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hoveract.pageY = e.pageY;
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},
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// contextMenu hover trigger
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mouseleave: function(e) {
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// abort if we're leaving for a menu
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var $related = $(e.relatedTarget);
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if ($related.is('.context-menu-list') || $related.closest('.context-menu-list').length) {
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return;
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}
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try {
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clearTimeout(hoveract.timer);
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} catch(e) {}
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hoveract.timer = null;
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},
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// ignore right click trigger
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ignoreRightClick: function(e) {
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if (e.button == 2) {
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ignoreThisClick = true;
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}
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},
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// click on layer to hide contextMenu
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layerClick: function(e) {
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var $this = $(this),
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root = $this.data('contextMenuRoot');
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e.preventDefault();
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e.stopImmediatePropagation();
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$this.remove();
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root.$menu.trigger('contextmenu:hide');
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/* (Airtime) added this to allow user to exit out of menu.
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* if ignoreThisClick remains false, every right click
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* thereafter continues to show the menu
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*/
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if (handle.ignoreRightClick) {
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if (e.button == 2) {
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ignoreThisClick = true;
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}
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}
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},
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// key handled :hover
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keyStop: function(e, opt) {
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if (!opt.isInput) {
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e.preventDefault();
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}
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e.stopPropagation();
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},
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key: function(e) {
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var opt = $currentTrigger.data('contextMenu') || {},
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$children = opt.$menu.children(),
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$round;
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switch (e.keyCode) {
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case 9:
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case 38: // up
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handle.keyStop(e, opt);
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// if keyCode is [38 (up)] or [9 (tab) with shift]
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if (opt.isInput) {
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if (e.keyCode == 9 && e.shiftKey) {
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e.preventDefault();
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opt.$selected && opt.$selected.find('input, textarea, select').blur();
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opt.$menu.trigger('prevcommand');
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return;
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} else if (e.keyCode == 38 && opt.$selected.find('input, textarea, select').prop('type') == 'checkbox') {
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// checkboxes don't capture this key
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e.preventDefault();
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return;
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}
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} else if (e.keyCode != 9 || e.shiftKey) {
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opt.$menu.trigger('prevcommand');
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return;
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}
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case 9: // tab
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case 40: // down
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handle.keyStop(e, opt);
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if (opt.isInput) {
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if (e.keyCode == 9) {
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e.preventDefault();
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opt.$selected && opt.$selected.find('input, textarea, select').blur();
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opt.$menu.trigger('nextcommand');
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return;
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} else if (e.keyCode == 40 && opt.$selected.find('input, textarea, select').prop('type') == 'checkbox') {
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// checkboxes don't capture this key
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e.preventDefault();
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return;
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}
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} else {
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opt.$menu.trigger('nextcommand');
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return;
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}
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break;
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case 37: // left
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handle.keyStop(e, opt);
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if (opt.isInput || !opt.$selected || !opt.$selected.length) {
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break;
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}
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if (!opt.$selected.parent().hasClass('context-menu-root')) {
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var $parent = opt.$selected.parent().parent();
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opt.$selected.trigger('contextmenu:blur');
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opt.$selected = $parent;
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return;
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}
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break;
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case 39: // right
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handle.keyStop(e, opt);
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if (opt.isInput || !opt.$selected || !opt.$selected.length) {
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break;
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}
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var itemdata = opt.$selected.data('contextMenu') || {};
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if (itemdata.$menu && opt.$selected.hasClass('context-menu-submenu')) {
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opt.$selected = null;
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itemdata.$selected = null;
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itemdata.$menu.trigger('nextcommand');
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return;
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}
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break;
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case 35: // end
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case 36: // home
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if (opt.$selected && opt.$selected.find('input, textarea, select').length) {
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return;
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} else {
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(opt.$selected && opt.$selected.parent() || opt.$menu)
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.children(':not(.disabled, .not-selectable)')[e.keyCode == 36 ? 'first' : 'last']()
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.trigger('contextmenu:focus');
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e.preventDefault();
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return;
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}
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break;
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case 13: // enter
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handle.keyStop(e, opt);
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if (opt.isInput) {
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if (opt.$selected && !opt.$selected.is('textarea, select')) {
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e.preventDefault();
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return;
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}
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break;
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}
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opt.$selected && opt.$selected.trigger('mouseup');
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return;
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case 32: // space
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case 33: // page up
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case 34: // page down
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// prevent browser from scrolling down while menu is visible
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handle.keyStop(e, opt);
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return;
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case 27: // esc
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handle.keyStop(e, opt);
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opt.$menu.trigger('contextmenu:hide');
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return;
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default: // 0-9, a-z
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var k = (String.fromCharCode(e.keyCode)).toUpperCase();
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if (opt.accesskeys[k]) {
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// according to the specs accesskeys must be invoked immediately
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opt.accesskeys[k].$node.trigger(opt.accesskeys[k].$menu
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? 'contextmenu:focus'
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: 'mouseup'
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);
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return;
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}
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break;
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}
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// pass event to selected item,
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// stop propagation to avoid endless recursion
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e.stopPropagation();
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opt.$selected && opt.$selected.trigger(e);
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},
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// select previous possible command in menu
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prevItem: function(e) {
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e.stopPropagation();
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var opt = $(this).data('contextMenu') || {};
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// obtain currently selected menu
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if (opt.$selected) {
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var $s = opt.$selected;
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opt = opt.$selected.parent().data('contextMenu') || {};
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opt.$selected = $s;
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}
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var $children = opt.$menu.children(),
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$prev = !opt.$selected || !opt.$selected.prev().length ? $children.last() : opt.$selected.prev(),
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$round = $prev;
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// skip disabled
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while ($prev.hasClass('disabled') || $prev.hasClass('not-selectable')) {
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if ($prev.prev().length) {
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$prev = $prev.prev();
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} else {
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$prev = $children.last();
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}
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if ($prev.is($round)) {
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// break endless loop
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return;
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}
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}
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// leave current
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if (opt.$selected) {
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handle.itemMouseleave.call(opt.$selected.get(0), e);
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}
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// activate next
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handle.itemMouseenter.call($prev.get(0), e);
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// focus input
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var $input = $prev.find('input, textarea, select');
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if ($input.length) {
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$input.focus();
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}
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},
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// select next possible command in menu
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nextItem: function(e) {
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e.stopPropagation();
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var opt = $(this).data('contextMenu') || {};
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// obtain currently selected menu
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if (opt.$selected) {
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var $s = opt.$selected;
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opt = opt.$selected.parent().data('contextMenu') || {};
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opt.$selected = $s;
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}
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var $children = opt.$menu.children(),
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$next = !opt.$selected || !opt.$selected.next().length ? $children.first() : opt.$selected.next(),
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$round = $next;
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// skip disabled
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while ($next.hasClass('disabled') || $next.hasClass('not-selectable')) {
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if ($next.next().length) {
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$next = $next.next();
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} else {
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$next = $children.first();
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}
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if ($next.is($round)) {
|
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// break endless loop
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return;
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}
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}
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// leave current
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if (opt.$selected) {
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handle.itemMouseleave.call(opt.$selected.get(0), e);
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}
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|
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// activate next
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handle.itemMouseenter.call($next.get(0), e);
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// focus input
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var $input = $next.find('input, textarea, select');
|
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if ($input.length) {
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$input.focus();
|
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}
|
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},
|
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|
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// flag that we're inside an input so the key handler can act accordingly
|
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focusInput: function(e) {
|
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var $this = $(this).closest('.context-menu-item'),
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data = $this.data(),
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opt = data.contextMenu,
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root = data.contextMenuRoot;
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root.$selected = opt.$selected = $this;
|
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root.isInput = opt.isInput = true;
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},
|
|
// flag that we're inside an input so the key handler can act accordingly
|
|
blurInput: function(e) {
|
|
var $this = $(this).closest('.context-menu-item'),
|
|
data = $this.data(),
|
|
opt = data.contextMenu,
|
|
root = data.contextMenuRoot;
|
|
|
|
root.isInput = opt.isInput = false;
|
|
},
|
|
|
|
// :hover on menu
|
|
menuMouseenter: function(e) {
|
|
var root = $(this).data().contextMenuRoot;
|
|
root.hovering = true;
|
|
},
|
|
// :hover on menu
|
|
menuMouseleave: function(e) {
|
|
var root = $(this).data().contextMenuRoot;
|
|
if (root.$layer && root.$layer.is(e.relatedTarget)) {
|
|
root.hovering = false;
|
|
}
|
|
},
|
|
|
|
|
|
// :hover done manually so key handling is possible
|
|
itemMouseenter: function(e) {
|
|
var $this = $(this),
|
|
data = $this.data(),
|
|
opt = data.contextMenu,
|
|
root = data.contextMenuRoot;
|
|
|
|
root.hovering = true;
|
|
|
|
// abort if we're re-entering
|
|
if (e && root.$layer && root.$layer.is(e.relatedTarget)) {
|
|
e.preventDefault();
|
|
e.stopImmediatePropagation();
|
|
}
|
|
|
|
// make sure only one item is selected
|
|
(opt.$menu ? opt : root).$menu
|
|
.children('.hover').trigger('contextmenu:blur');
|
|
|
|
if ($this.hasClass('disabled') || $this.hasClass('not-selectable')) {
|
|
opt.$selected = null;
|
|
return;
|
|
}
|
|
|
|
$this.trigger('contextmenu:focus');
|
|
},
|
|
// :hover done manually so key handling is possible
|
|
itemMouseleave: function(e) {
|
|
var $this = $(this),
|
|
data = $this.data(),
|
|
opt = data.contextMenu,
|
|
root = data.contextMenuRoot;
|
|
|
|
if (root !== opt && root.$layer && root.$layer.is(e.relatedTarget)) {
|
|
root.$selected && root.$selected.trigger('contextmenu:blur');
|
|
e.preventDefault();
|
|
e.stopImmediatePropagation();
|
|
root.$selected = opt.$selected = opt.$node;
|
|
return;
|
|
}
|
|
|
|
$this.trigger('contextmenu:blur');
|
|
},
|
|
// contextMenu item click
|
|
itemClick: function(e) {
|
|
var $this = $(this),
|
|
data = $this.data(),
|
|
opt = data.contextMenu,
|
|
root = data.contextMenuRoot,
|
|
key = data.contextMenuKey,
|
|
callback;
|
|
|
|
// abort if the key is unknown or disabled
|
|
if (!opt.items[key] || $this.hasClass('disabled')) {
|
|
return;
|
|
}
|
|
|
|
e.preventDefault();
|
|
e.stopImmediatePropagation();
|
|
|
|
if ($.isFunction(root.callbacks[key])) {
|
|
// item-specific callback
|
|
callback = root.callbacks[key];
|
|
} else if ($.isFunction(root.callback)) {
|
|
// default callback
|
|
callback = root.callback;
|
|
} else {
|
|
// no callback, no action
|
|
return;
|
|
}
|
|
|
|
// hide menu if callback doesn't stop that
|
|
if (callback.call(root.$trigger, key, root) !== false) {
|
|
root.$menu.trigger('contextmenu:hide');
|
|
} else {
|
|
op.update.call(root.$trigger, root);
|
|
}
|
|
},
|
|
// ignore click events on input elements
|
|
inputClick: function(e) {
|
|
e.stopImmediatePropagation();
|
|
},
|
|
|
|
// hide <menu>
|
|
hideMenu: function(e) {
|
|
var root = $(this).data('contextMenuRoot');
|
|
op.hide.call(root.$trigger, root);
|
|
},
|
|
// focus <command>
|
|
focusItem: function(e) {
|
|
e.stopPropagation();
|
|
var $this = $(this),
|
|
data = $this.data(),
|
|
opt = data.contextMenu,
|
|
root = data.contextMenuRoot;
|
|
|
|
$this.addClass('hover')
|
|
.siblings('.hover').trigger('contextmenu:blur');
|
|
|
|
// remember selected
|
|
opt.$selected = root.$selected = $this;
|
|
|
|
// position sub-menu - do after show so dumb $.ui.position can keep up
|
|
if (opt.$node) {
|
|
root.positionSubmenu.call(opt.$node, opt.$menu);
|
|
}
|
|
},
|
|
// blur <command>
|
|
blurItem: function(e) {
|
|
e.stopPropagation();
|
|
var $this = $(this),
|
|
data = $this.data(),
|
|
opt = data.contextMenu,
|
|
root = data.contextMenuRoot;
|
|
|
|
$this.removeClass('hover');
|
|
opt.$selected = null;
|
|
}
|
|
},
|
|
// operations
|
|
op = {
|
|
show: function(opt, x, y) {
|
|
var $this = $(this),
|
|
offset,
|
|
css = {};
|
|
|
|
// hide any open menus
|
|
$('#context-menu-layer').trigger('mousedown');
|
|
|
|
// show event
|
|
if (opt.events.show.call($this, opt) === false) {
|
|
$currentTrigger = null;
|
|
return;
|
|
}
|
|
|
|
// backreference for callbacks
|
|
opt.$trigger = $this;
|
|
|
|
// create or update context menu
|
|
op.update.call($this, opt);
|
|
|
|
// position menu
|
|
opt.position.call($this, opt, x, y);
|
|
|
|
// make sure we're in front
|
|
if (opt.zIndex) {
|
|
css.zIndex = zindex($this) + opt.zIndex;
|
|
}
|
|
|
|
// add layer
|
|
op.layer.call(opt.$menu, opt, css.zIndex);
|
|
|
|
// adjust sub-menu zIndexes
|
|
opt.$menu.find('ul').css('zIndex', css.zIndex + 1);
|
|
|
|
// position and show context menu
|
|
opt.$menu.css( css )[opt.animation.show](opt.animation.duration);
|
|
// make options available
|
|
$this.data('contextMenu', opt);
|
|
// register key handler
|
|
$(document).off('keydown.contextMenu').on('keydown.contextMenu', handle.key);
|
|
// register autoHide handler
|
|
if (opt.autoHide) {
|
|
// trigger element coordinates
|
|
var pos = $this.position();
|
|
pos.right = pos.left + $this.outerWidth();
|
|
pos.bottom = pos.top + this.outerHeight();
|
|
// mouse position handler
|
|
$(document).on('mousemove.contextMenuAutoHide', function(e) {
|
|
if (opt.$layer && !opt.hovering && (!(e.pageX >= pos.left && e.pageX <= pos.right) || !(e.pageY >= pos.top && e.pageY <= pos.bottom))) {
|
|
// if mouse in menu...
|
|
opt.$layer.trigger('mousedown');
|
|
}
|
|
});
|
|
}
|
|
},
|
|
hide: function(opt) {
|
|
var $this = $(this);
|
|
if (!opt) {
|
|
opt = $this.data('contextMenu') || {};
|
|
}
|
|
|
|
// hide event
|
|
if (opt.events && opt.events.hide.call($this, opt) === false) {
|
|
return;
|
|
}
|
|
|
|
if (opt.$layer) {
|
|
try {
|
|
opt.$layer.remove();
|
|
delete opt.$layer;
|
|
} catch(e) {
|
|
opt.$layer = null;
|
|
}
|
|
}
|
|
|
|
// remove handle
|
|
$currentTrigger = null;
|
|
// remove selected
|
|
opt.$menu.find('.hover').trigger('contextmenu:blur');
|
|
opt.$selected = null;
|
|
// unregister key and mouse handlers
|
|
//$(document).off('.contextMenuAutoHide keydown.contextMenu'); // http://bugs.jquery.com/ticket/10705
|
|
$(document).off('.contextMenuAutoHide').off('keydown.contextMenu');
|
|
// hide menu
|
|
opt.$menu && opt.$menu[opt.animation.hide](opt.animation.duration);
|
|
|
|
// tear down dynamically built menu
|
|
if (opt.build) {
|
|
opt.$menu.remove();
|
|
$.each(opt, function(key, value) {
|
|
switch (key) {
|
|
case 'ns':
|
|
case 'selector':
|
|
case 'build':
|
|
case 'trigger':
|
|
case 'ignoreRightClick':
|
|
return true;
|
|
|
|
default:
|
|
opt[key] = undefined;
|
|
try {
|
|
delete opt[key];
|
|
} catch (e) {}
|
|
return true;
|
|
}
|
|
});
|
|
}
|
|
},
|
|
create: function(opt, root) {
|
|
if (root === undefined) {
|
|
root = opt;
|
|
}
|
|
// create contextMenu
|
|
opt.$menu = $('<ul class="context-menu-list ' + (opt.className || "") + '"></ul>').data({
|
|
'contextMenu': opt,
|
|
'contextMenuRoot': root
|
|
});
|
|
|
|
$.each(['callbacks', 'commands', 'inputs'], function(i,k){
|
|
opt[k] = {};
|
|
if (!root[k]) {
|
|
root[k] = {};
|
|
}
|
|
});
|
|
|
|
root.accesskeys || (root.accesskeys = {});
|
|
|
|
// create contextMenu items
|
|
$.each(opt.items, function(key, item){
|
|
var $t = $('<li class="context-menu-item ' + (item.className || "") +'"></li>'),
|
|
$label = null,
|
|
$input = null;
|
|
|
|
item.$node = $t.data({
|
|
'contextMenu': opt,
|
|
'contextMenuRoot': root,
|
|
'contextMenuKey': key
|
|
});
|
|
|
|
// register accesskey
|
|
// NOTE: the accesskey attribute should be applicable to any element, but Safari5 and Chrome13 still can't do that
|
|
if (item.accesskey) {
|
|
var aks = splitAccesskey(item.accesskey);
|
|
for (var i=0, ak; ak = aks[i]; i++) {
|
|
if (!root.accesskeys[ak]) {
|
|
root.accesskeys[ak] = item;
|
|
item._name = item.name.replace(new RegExp('(' + ak + ')', 'i'), '<span class="context-menu-accesskey">$1</span>');
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (typeof item == "string") {
|
|
$t.addClass('context-menu-separator not-selectable');
|
|
} else if (item.type && types[item.type]) {
|
|
// run custom type handler
|
|
types[item.type].call($t, item, opt, root);
|
|
// register commands
|
|
$.each([opt, root], function(i,k){
|
|
k.commands[key] = item;
|
|
if ($.isFunction(item.callback)) {
|
|
k.callbacks[key] = item.callback;
|
|
}
|
|
});
|
|
} else {
|
|
// add label for input
|
|
if (item.type == 'html') {
|
|
$t.addClass('context-menu-html not-selectable');
|
|
} else if (item.type) {
|
|
$label = $('<label></label>').appendTo($t);
|
|
$('<span></span>').html(item._name || item.name).appendTo($label);
|
|
$t.addClass('context-menu-input');
|
|
opt.hasTypes = true;
|
|
$.each([opt, root], function(i,k){
|
|
k.commands[key] = item;
|
|
k.inputs[key] = item;
|
|
});
|
|
} else if (item.items) {
|
|
item.type = 'sub';
|
|
}
|
|
|
|
switch (item.type) {
|
|
case 'text':
|
|
$input = $('<input type="text" value="1" name="context-menu-input-'+ key +'" value="">')
|
|
.val(item.value || "").appendTo($label);
|
|
break;
|
|
|
|
case 'textarea':
|
|
$input = $('<textarea name="context-menu-input-'+ key +'"></textarea>')
|
|
.val(item.value || "").appendTo($label);
|
|
|
|
if (item.height) {
|
|
$input.height(item.height);
|
|
}
|
|
break;
|
|
|
|
case 'checkbox':
|
|
$input = $('<input type="checkbox" value="1" name="context-menu-input-'+ key +'" value="">')
|
|
.val(item.value || "").prop("checked", !!item.selected).prependTo($label);
|
|
break;
|
|
|
|
case 'radio':
|
|
$input = $('<input type="radio" value="1" name="context-menu-input-'+ item.radio +'" value="">')
|
|
.val(item.value || "").prop("checked", !!item.selected).prependTo($label);
|
|
break;
|
|
|
|
case 'select':
|
|
$input = $('<select name="context-menu-input-'+ key +'">').appendTo($label);
|
|
if (item.options) {
|
|
$.each(item.options, function(value, text) {
|
|
$('<option></option>').val(value).text(text).appendTo($input);
|
|
});
|
|
$input.val(item.selected);
|
|
}
|
|
break;
|
|
|
|
case 'sub':
|
|
$('<span></span>').html(item._name || item.name).appendTo($t);
|
|
item.appendTo = item.$node;
|
|
op.create(item, root);
|
|
$t.data('contextMenu', item).addClass('context-menu-submenu');
|
|
item.callback = null;
|
|
break;
|
|
|
|
case 'html':
|
|
$(item.html).appendTo($t);
|
|
break;
|
|
|
|
default:
|
|
$.each([opt, root], function(i,k){
|
|
k.commands[key] = item;
|
|
if ($.isFunction(item.callback)) {
|
|
k.callbacks[key] = item.callback;
|
|
}
|
|
});
|
|
|
|
$('<span></span>').html(item._name || item.name || "").appendTo($t);
|
|
break;
|
|
}
|
|
|
|
// disable key listener in <input>
|
|
if (item.type && item.type != 'sub' && item.type != 'html') {
|
|
$input
|
|
.on('focus', handle.focusInput)
|
|
.on('blur', handle.blurInput);
|
|
|
|
if (item.events) {
|
|
$input.on(item.events);
|
|
}
|
|
}
|
|
|
|
// add icons
|
|
if (item.icon) {
|
|
$t.addClass("icon icon-" + item.icon);
|
|
}
|
|
}
|
|
|
|
// cache contained elements
|
|
item.$input = $input;
|
|
item.$label = $label;
|
|
|
|
// attach item to menu
|
|
$t.appendTo(opt.$menu);
|
|
|
|
// Disable text selection
|
|
if (!opt.hasTypes) {
|
|
if($.browser.msie) {
|
|
$t.on('selectstart.disableTextSelect', handle.abortevent);
|
|
} else if(!$.browser.mozilla) {
|
|
$t.on('mousedown.disableTextSelect', handle.abortevent);
|
|
}
|
|
}
|
|
});
|
|
// attach contextMenu to <body> (to bypass any possible overflow:hidden issues on parents of the trigger element)
|
|
if (!opt.$node) {
|
|
opt.$menu.css('display', 'none').addClass('context-menu-root');
|
|
}
|
|
opt.$menu.appendTo(opt.appendTo || document.body);
|
|
},
|
|
update: function(opt, root) {
|
|
var $this = this;
|
|
if (root === undefined) {
|
|
root = opt;
|
|
// determine widths of submenus, as CSS won't grow them automatically
|
|
// position:absolute > position:absolute; min-width:100; max-width:200; results in width: 100;
|
|
// kinda sucks hard...
|
|
opt.$menu.find('ul').andSelf().css({position: 'static', display: 'block'}).each(function(){
|
|
var $this = $(this);
|
|
$this.width($this.css('position', 'absolute').width())
|
|
.css('position', 'static');
|
|
}).css({position: '', display: ''});
|
|
}
|
|
// re-check disabled for each item
|
|
opt.$menu.children().each(function(){
|
|
var $item = $(this),
|
|
key = $item.data('contextMenuKey'),
|
|
item = opt.items[key],
|
|
disabled = ($.isFunction(item.disabled) && item.disabled.call($this, key, root)) || item.disabled === true;
|
|
|
|
// dis- / enable item
|
|
$item[disabled ? 'addClass' : 'removeClass']('disabled');
|
|
|
|
if (item.type) {
|
|
// dis- / enable input elements
|
|
$item.find('input, select, textarea').prop('disabled', disabled);
|
|
|
|
// update input states
|
|
switch (item.type) {
|
|
case 'text':
|
|
case 'textarea':
|
|
item.$input.val(item.value || "");
|
|
break;
|
|
|
|
case 'checkbox':
|
|
case 'radio':
|
|
item.$input.val(item.value || "").prop('checked', !!item.selected);
|
|
break;
|
|
|
|
case 'select':
|
|
item.$input.val(item.selected || "");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (item.$menu) {
|
|
// update sub-menu
|
|
op.update.call($this, item, root);
|
|
}
|
|
});
|
|
},
|
|
layer: function(opt, zIndex) {
|
|
// add transparent layer for click area
|
|
// filter and background for Internet Explorer, Issue #23
|
|
return opt.$layer = $('<div id="context-menu-layer" style="position:fixed; z-index:' + zIndex + '; top:0; left:0; opacity: 0; filter: alpha(opacity=0); background-color: #000;"></div>')
|
|
.css({height: $win.height(), width: $win.width(), display: 'block'})
|
|
.data('contextMenuRoot', opt)
|
|
.insertBefore(this)
|
|
.on('mousedown', handle.layerClick);
|
|
}
|
|
};
|
|
|
|
// split accesskey according to http://www.whatwg.org/specs/web-apps/current-work/multipage/editing.html#assigned-access-key
|
|
function splitAccesskey(val) {
|
|
var t = val.split(/\s+/),
|
|
keys = [];
|
|
|
|
for (var i=0, k; k = t[i]; i++) {
|
|
k = k[0].toUpperCase(); // first character only
|
|
// theoretically non-accessible characters should be ignored, but different systems, different keyboard layouts, ... screw it.
|
|
// a map to look up already used access keys would be nice
|
|
keys.push(k);
|
|
}
|
|
|
|
return keys;
|
|
}
|
|
|
|
// handle contextMenu triggers
|
|
$.fn.contextMenu = function(operation) {
|
|
if (operation === undefined) {
|
|
this.first().trigger('contextmenu');
|
|
} else if (operation.x && operation.y) {
|
|
this.first().trigger(jQuery.Event("contextmenu", {pageX: operation.x, pageY: operation.y}));
|
|
} else if (operation === "hide") {
|
|
var $menu = this.data('contextMenu').$menu;
|
|
$menu && $menu.trigger('contextmenu:hide');
|
|
} else if (operation) {
|
|
this.removeClass('context-menu-disabled');
|
|
} else if (!operation) {
|
|
this.addClass('context-menu-disabled');
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// manage contextMenu instances
|
|
$.contextMenu = function(operation, options) {
|
|
if (typeof operation != 'string') {
|
|
options = operation;
|
|
operation = 'create';
|
|
}
|
|
|
|
if (typeof options == 'string') {
|
|
options = {selector: options};
|
|
} else if (options === undefined) {
|
|
options = {};
|
|
}
|
|
|
|
// merge with default options
|
|
var o = $.extend(true, {}, defaults, options || {}),
|
|
$body = $body = $(document);
|
|
|
|
switch (operation) {
|
|
case 'create':
|
|
// no selector no joy
|
|
if (!o.selector) {
|
|
throw new Error('No selector specified');
|
|
}
|
|
// make sure internal classes are not bound to
|
|
if (o.selector.match(/.context-menu-(list|item|input)($|\s)/)) {
|
|
throw new Error('Cannot bind to selector "' + o.selector + '" as it contains a reserved className');
|
|
}
|
|
if (!o.build && (!o.items || $.isEmptyObject(o.items))) {
|
|
throw new Error('No Items sepcified');
|
|
}
|
|
counter ++;
|
|
o.ns = '.contextMenu' + counter;
|
|
namespaces[o.selector] = o.ns;
|
|
menus[o.ns] = o;
|
|
|
|
if (!initialized) {
|
|
// make sure item click is registered first
|
|
$body
|
|
.on({
|
|
'contextmenu:hide.contextMenu': handle.hideMenu,
|
|
'prevcommand.contextMenu': handle.prevItem,
|
|
'nextcommand.contextMenu': handle.nextItem,
|
|
'contextmenu.contextMenu': handle.abortevent,
|
|
'mouseenter.contextMenu': handle.menuMouseenter,
|
|
'mouseleave.contextMenu': handle.menuMouseleave
|
|
}, '.context-menu-list')
|
|
.on('mouseup.contextMenu', '.context-menu-input', handle.inputClick)
|
|
.on({
|
|
'mouseup.contextMenu': handle.itemClick,
|
|
'contextmenu:focus.contextMenu': handle.focusItem,
|
|
'contextmenu:blur.contextMenu': handle.blurItem,
|
|
'contextmenu.contextMenu': handle.abortevent,
|
|
'mouseenter.contextMenu': handle.itemMouseenter,
|
|
'mouseleave.contextMenu': handle.itemMouseleave
|
|
}, '.context-menu-item');
|
|
|
|
initialized = true;
|
|
}
|
|
|
|
// engage native contextmenu event
|
|
$body
|
|
.on('contextmenu' + o.ns, o.selector, o, handle.contextmenu);
|
|
|
|
switch (o.trigger) {
|
|
case 'hover':
|
|
$body
|
|
.on('mouseenter' + o.ns, o.selector, o, handle.mouseenter)
|
|
.on('mouseleave' + o.ns, o.selector, o, handle.mouseleave);
|
|
break;
|
|
|
|
case 'left':
|
|
$body.on('click' + o.ns, o.selector, o, handle.click);
|
|
break;
|
|
/*
|
|
default:
|
|
// http://www.quirksmode.org/dom/events/contextmenu.html
|
|
$body
|
|
.on('mousedown' + o.ns, o.selector, o, handle.mousedown)
|
|
.on('mouseup' + o.ns, o.selector, o, handle.mouseup);
|
|
break;
|
|
*/
|
|
}
|
|
|
|
if (o.trigger != 'hover' && o.ignoreRightClick) {
|
|
$body.on('mousedown' + o.ns, o.selector, handle.ignoreRightClick);
|
|
}
|
|
|
|
// create menu
|
|
if (!o.build) {
|
|
op.create(o);
|
|
}
|
|
break;
|
|
|
|
case 'destroy':
|
|
if (!o.selector) {
|
|
$body.off('.contextMenu .contextMenuAutoHide');
|
|
$.each(namespaces, function(key, value) {
|
|
$body.off(value);
|
|
});
|
|
|
|
namespaces = {};
|
|
menus = {};
|
|
counter = 0;
|
|
initialized = false;
|
|
|
|
$('.context-menu-list').remove();
|
|
} else if (namespaces[o.selector]) {
|
|
try {
|
|
if (menus[namespaces[o.selector]].$menu) {
|
|
menus[namespaces[o.selector]].$menu.remove();
|
|
}
|
|
|
|
delete menus[namespaces[o.selector]];
|
|
} catch(e) {
|
|
menus[namespaces[o.selector]] = null;
|
|
}
|
|
|
|
$body.off(namespaces[o.selector]);
|
|
}
|
|
break;
|
|
|
|
case 'html5':
|
|
// if <command> or <menuitem> are not handled by the browser,
|
|
// or options was a bool true,
|
|
// initialize $.contextMenu for them
|
|
if ((!$.support.htmlCommand && !$.support.htmlMenuitem) || (typeof options == "boolean" && options)) {
|
|
$('menu[type="context"]').each(function() {
|
|
if (this.id) {
|
|
$.contextMenu({
|
|
selector: '[contextmenu=' + this.id +']',
|
|
items: $.contextMenu.fromMenu(this)
|
|
});
|
|
}
|
|
}).css('display', 'none');
|
|
}
|
|
break;
|
|
|
|
default:
|
|
throw new Error('Unknown operation "' + operation + '"');
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// import values into <input> commands
|
|
$.contextMenu.setInputValues = function(opt, data) {
|
|
if (data === undefined) {
|
|
data = {};
|
|
}
|
|
|
|
$.each(opt.inputs, function(key, item) {
|
|
switch (item.type) {
|
|
case 'text':
|
|
case 'textarea':
|
|
item.value = data[key] || "";
|
|
break;
|
|
|
|
case 'checkbox':
|
|
item.selected = data[key] ? true : false;
|
|
break;
|
|
|
|
case 'radio':
|
|
item.selected = (data[item.radio] || "") == item.value ? true : false;
|
|
break;
|
|
|
|
case 'select':
|
|
item.selected = data[key] || "";
|
|
break;
|
|
}
|
|
});
|
|
};
|
|
|
|
// export values from <input> commands
|
|
$.contextMenu.getInputValues = function(opt, data) {
|
|
if (data === undefined) {
|
|
data = {};
|
|
}
|
|
|
|
$.each(opt.inputs, function(key, item) {
|
|
switch (item.type) {
|
|
case 'text':
|
|
case 'textarea':
|
|
case 'select':
|
|
data[key] = item.$input.val();
|
|
break;
|
|
|
|
case 'checkbox':
|
|
data[key] = item.$input.prop('checked');
|
|
break;
|
|
|
|
case 'radio':
|
|
if (item.$input.prop('checked')) {
|
|
data[item.radio] = item.value;
|
|
}
|
|
break;
|
|
}
|
|
});
|
|
|
|
return data;
|
|
};
|
|
|
|
// find <label for="xyz">
|
|
function inputLabel(node) {
|
|
return (node.id && $('label[for="'+ node.id +'"]').val()) || node.name;
|
|
}
|
|
|
|
// convert <menu> to items object
|
|
function menuChildren(items, $children, counter) {
|
|
if (!counter) {
|
|
counter = 0;
|
|
}
|
|
|
|
$children.each(function() {
|
|
var $node = $(this),
|
|
node = this,
|
|
nodeName = this.nodeName.toLowerCase(),
|
|
label,
|
|
item;
|
|
|
|
// extract <label><input>
|
|
if (nodeName == 'label' && $node.find('input, textarea, select').length) {
|
|
label = $node.text();
|
|
$node = $node.children().first();
|
|
node = $node.get(0);
|
|
nodeName = node.nodeName.toLowerCase();
|
|
}
|
|
|
|
/*
|
|
* <menu> accepts flow-content as children. that means <embed>, <canvas> and such are valid menu items.
|
|
* Not being the sadistic kind, $.contextMenu only accepts:
|
|
* <command>, <menuitem>, <hr>, <span>, <p> <input [text, radio, checkbox]>, <textarea>, <select> and of course <menu>.
|
|
* Everything else will be imported as an html node, which is not interfaced with contextMenu.
|
|
*/
|
|
|
|
// http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#concept-command
|
|
switch (nodeName) {
|
|
// http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-menu-element
|
|
case 'menu':
|
|
item = {name: $node.attr('label'), items: {}};
|
|
menuChildren(item.items, $node.children(), counter);
|
|
break;
|
|
|
|
// http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#using-the-a-element-to-define-a-command
|
|
case 'a':
|
|
// http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#using-the-button-element-to-define-a-command
|
|
case 'button':
|
|
item = {
|
|
name: $node.text(),
|
|
disabled: !!$node.attr('disabled'),
|
|
callback: (function(){ return function(){ $node.click(); }; })()
|
|
};
|
|
break;
|
|
|
|
// http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#using-the-command-element-to-define-a-command
|
|
|
|
case 'menuitem':
|
|
case 'command':
|
|
switch ($node.attr('type')) {
|
|
case undefined:
|
|
case 'command':
|
|
case 'menuitem':
|
|
item = {
|
|
name: $node.attr('label'),
|
|
disabled: !!$node.attr('disabled'),
|
|
callback: (function(){ return function(){ $node.click(); }; })()
|
|
};
|
|
break;
|
|
|
|
case 'checkbox':
|
|
item = {
|
|
type: 'checkbox',
|
|
disabled: !!$node.attr('disabled'),
|
|
name: $node.attr('label'),
|
|
selected: !!$node.attr('checked')
|
|
};
|
|
break;
|
|
|
|
case 'radio':
|
|
item = {
|
|
type: 'radio',
|
|
disabled: !!$node.attr('disabled'),
|
|
name: $node.attr('label'),
|
|
radio: $node.attr('radiogroup'),
|
|
value: $node.attr('id'),
|
|
selected: !!$node.attr('checked')
|
|
};
|
|
break;
|
|
|
|
default:
|
|
item = undefined;
|
|
}
|
|
break;
|
|
|
|
case 'hr':
|
|
item = '-------';
|
|
break;
|
|
|
|
case 'input':
|
|
switch ($node.attr('type')) {
|
|
case 'text':
|
|
item = {
|
|
type: 'text',
|
|
name: label || inputLabel(node),
|
|
disabled: !!$node.attr('disabled'),
|
|
value: $node.val()
|
|
};
|
|
break;
|
|
|
|
case 'checkbox':
|
|
item = {
|
|
type: 'checkbox',
|
|
name: label || inputLabel(node),
|
|
disabled: !!$node.attr('disabled'),
|
|
selected: !!$node.attr('checked')
|
|
};
|
|
break;
|
|
|
|
case 'radio':
|
|
item = {
|
|
type: 'radio',
|
|
name: label || inputLabel(node),
|
|
disabled: !!$node.attr('disabled'),
|
|
radio: !!$node.attr('name'),
|
|
value: $node.val(),
|
|
selected: !!$node.attr('checked')
|
|
};
|
|
break;
|
|
|
|
default:
|
|
item = undefined;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 'select':
|
|
item = {
|
|
type: 'select',
|
|
name: label || inputLabel(node),
|
|
disabled: !!$node.attr('disabled'),
|
|
selected: $node.val(),
|
|
options: {}
|
|
};
|
|
$node.children().each(function(){
|
|
item.options[this.value] = $(this).text();
|
|
});
|
|
break;
|
|
|
|
case 'textarea':
|
|
item = {
|
|
type: 'textarea',
|
|
name: label || inputLabel(node),
|
|
disabled: !!$node.attr('disabled'),
|
|
value: $node.val()
|
|
};
|
|
break;
|
|
|
|
case 'label':
|
|
break;
|
|
|
|
default:
|
|
item = {type: 'html', html: $node.clone(true)};
|
|
break;
|
|
}
|
|
|
|
if (item) {
|
|
counter++;
|
|
items['key' + counter] = item;
|
|
}
|
|
});
|
|
}
|
|
|
|
// convert html5 menu
|
|
$.contextMenu.fromMenu = function(element) {
|
|
var $this = $(element),
|
|
items = {};
|
|
|
|
menuChildren(items, $this.children());
|
|
|
|
return items;
|
|
};
|
|
|
|
// make defaults accessible
|
|
$.contextMenu.defaults = defaults;
|
|
$.contextMenu.types = types;
|
|
|
|
})(jQuery);
|