Juan Carlos Raña
14 years ago
parent
b22fe72778
commit
6d1f0aadc4
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/** |
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* Package: svgedit.contextmenu |
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*
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* Licensed under the Apache License, Version 2 |
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*
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* Author: Adam Bender |
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*/ |
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// Dependencies:
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// 1) jQuery (for dom injection of context menus)
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var svgedit = svgedit || {}; |
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(function() { |
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var self = this; |
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if (!svgedit.contextmenu) { |
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svgedit.contextmenu = {}; |
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} |
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self.contextMenuExtensions = {} |
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var addContextMenuItem = function(menuItem) { |
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// menuItem: {id, label, shortcut, action}
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if (!menuItemIsValid(menuItem)) { |
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console |
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.error("Menu items must be defined and have at least properties: id, label, action, where action must be a function"); |
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return; |
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} |
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if (menuItem.id in self.contextMenuExtensions) { |
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console.error('Cannot add extension "' + menuItem.id |
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+ '", an extension by that name already exists"'); |
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return; |
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} |
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// Register menuItem action, see below for deferred menu dom injection
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console.log("Registed contextmenu item: {id:"+ menuItem.id+", label:"+menuItem.label+"}"); |
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self.contextMenuExtensions[menuItem.id] = menuItem; |
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//TODO: Need to consider how to handle custom enable/disable behavior
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} |
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var hasCustomHandler = function(handlerKey) { |
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return self.contextMenuExtensions[handlerKey] && true; |
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} |
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var getCustomHandler = function(handlerKey) { |
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return self.contextMenuExtensions[handlerKey].action; |
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} |
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var injectExtendedContextMenuItemIntoDom = function(menuItem) { |
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if (Object.keys(self.contextMenuExtensions).length == 0) { |
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// all menuItems appear at the bottom of the menu in their own container.
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// if this is the first extension menu we need to add the separator.
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$("#cmenu_canvas").append("<li class='separator'>"); |
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} |
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var shortcut = menuItem.shortcut || ""; |
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$("#cmenu_canvas").append("<li class='disabled'><a href='#" + menuItem.id + "'>"
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+ menuItem.label + "<span class='shortcut'>" |
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+ shortcut + "</span></a></li>"); |
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} |
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var menuItemIsValid = function(menuItem) { |
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return menuItem && menuItem.id && menuItem.label && menuItem.action && typeof menuItem.action == 'function'; |
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} |
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// Defer injection to wait out initial menu processing. This probably goes away once all context
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// menu behavior is brought here.
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svgEditor.ready(function() { |
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for (menuItem in contextMenuExtensions) { |
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injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]); |
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} |
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}); |
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svgedit.contextmenu.resetCustomMenus = function(){self.contextMenuExtensions = {}} |
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svgedit.contextmenu.add = addContextMenuItem; |
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svgedit.contextmenu.hasCustomHandler = hasCustomHandler; |
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svgedit.contextmenu.getCustomHandler = getCustomHandler; |
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})(); |
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