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define([
"dojo",
"dijit",
"dojox",
"dijit/_editor/_Plugin",
"dijit/form/Button",
"dijit/form/ToggleButton",
"dojo/_base/connect",
"dojo/_base/declare",
"dojo/i18n",
"dojo/i18n!dojox/editor/plugins/nls/ShowBlockNodes"
], function(dojo, dijit, dojox, _Plugin) {
var ShowBlockNodes = dojo.declare("dojox.editor.plugins.ShowBlockNodes", _Plugin, {
// summary:
// This plugin provides ShowBlockNodes capability to the editor. When
// clicked, the document in the editor will apply a class to specific
// block nodes to make them visible in the layout. This info is not
// exposed/extracted when the editor value is obtained, it is purely for help
// while working on the page.
// Over-ride indicating that the command processing is done all by this plugin.
useDefaultCommand: false,
// iconClassPrefix: [const] String
// The CSS class name for the button node is formed from `iconClassPrefix` and `command`
iconClassPrefix: "dijitAdditionalEditorIcon",
// _styled: [private] boolean
// Flag indicating the document has had the style updates applied.
_styled: false,
_initButton: function(){
// summary:
// Over-ride for creation of the preview button.
var strings = dojo.i18n.getLocalization("dojox.editor.plugins", "ShowBlockNodes");
this.button = new dijit.form.ToggleButton({
label: strings["showBlockNodes"],
showLabel: false,
iconClass: this.iconClassPrefix + " " + this.iconClassPrefix + "ShowBlockNodes",
tabIndex: "-1",
onChange: dojo.hitch(this, "_showBlocks")
});
this.editor.addKeyHandler(dojo.keys.F9, true, true, dojo.hitch(this, this.toggle));
},
updateState: function(){
// summary:
// Over-ride for button state control for disabled to work.
this.button.set("disabled", this.get("disabled"));
},
setEditor: function(editor){
// summary:
// Over-ride for the setting of the editor.
// editor: Object
// The editor to configure for this plugin to use.
this.editor = editor;
this._initButton();
},
toggle: function(){
// summary:
// Function to allow programmatic toggling of the view.
this.button.set("checked", !this.button.get("checked"));
},
_showBlocks: function(show){
// summary:
// Function to trigger printing of the editor document
// tags:
// private
var doc = this.editor.document;
if(!this._styled){
try{
//Attempt to inject our specialized style rules for doing this.
this._styled = true;
var style = "";
var blocks = ["div", "p", "ul", "ol", "table", "h1",
"h2", "h3", "h4", "h5", "h6", "pre", "dir", "center",
"blockquote", "form", "fieldset", "address", "object",
"pre", "hr", "ins", "noscript", "li", "map", "button",
"dd", "dt"];
var template = "@media screen {\n" +
"\t.editorShowBlocks {TAG} {\n" +
"\t\tbackground-image: url({MODURL}/images/blockelems/{TAG}.gif);\n" +
"\t\tbackground-repeat: no-repeat;\n" +
"\t\tbackground-position: top left;\n" +
"\t\tborder-width: 1px;\n" +
"\t\tborder-style: dashed;\n" +
"\t\tborder-color: #D0D0D0;\n" +
"\t\tpadding-top: 15px;\n" +
"\t\tpadding-left: 15px;\n" +
"\t}\n" +
"}\n";
dojo.forEach(blocks, function(tag){
style += template.replace(/\{TAG\}/gi, tag);
});
//Finally associate in the image locations based off the module url.
var modurl = dojo.moduleUrl(dojox._scopeName, "editor/plugins/resources").toString();
if(!(modurl.match(/^https?:\/\//i)) &&
!(modurl.match(/^file:\/\//i))){
// We have to root it to the page location on webkit for some nutball reason.
// Probably has to do with how iframe was loaded.
var bUrl;
if(modurl.charAt(0) === "/"){
//Absolute path on the server, so lets handle...
var proto = dojo.doc.location.protocol;
var hostn = dojo.doc.location.host;
bUrl = proto + "//" + hostn;
}else{
bUrl = this._calcBaseUrl(dojo.global.location.href);
}
if(bUrl[bUrl.length - 1] !== "/" && modurl.charAt(0) !== "/"){
bUrl += "/";
}
modurl = bUrl + modurl;
}
// Update all the urls.
style = style.replace(/\{MODURL\}/gi, modurl);
if(!dojo.isIE){
var sNode = doc.createElement("style");
sNode.appendChild(doc.createTextNode(style));
doc.getElementsByTagName("head")[0].appendChild(sNode);
}else{
var ss = doc.createStyleSheet("");
ss.cssText = style;
}
}catch(e){
console.warn(e);
}
}
// Apply/remove the classes based on state.
if(show){
dojo.addClass(this.editor.editNode, "editorShowBlocks");
}else{
dojo.removeClass(this.editor.editNode, "editorShowBlocks");
}
},
_calcBaseUrl: function(fullUrl) {
// summary:
// Internal function used to figure out the full root url (no relatives)
// for loading images in the styles in the iframe.
// fullUrl: String
// The full url to tear down to the base.
// tags:
// private
var baseUrl = null;
if (fullUrl !== null) {
// Check to see if we need to strip off any query parameters from the Url.
var index = fullUrl.indexOf("?");
if (index != -1) {
fullUrl = fullUrl.substring(0,index);
}
// Now we need to trim if necessary. If it ends in /, then we don't
// have a filename to trim off so we can return.
index = fullUrl.lastIndexOf("/");
if (index > 0 && index < fullUrl.length) {
baseUrl = fullUrl.substring(0,index);
}else{
baseUrl = fullUrl;
}
}
return baseUrl; //String
}
});
// Register this plugin.
dojo.subscribe(dijit._scopeName + ".Editor.getPlugin",null,function(o){
if(o.plugin){ return; }
var name = o.args.name.toLowerCase();
if(name === "showblocknodes"){
o.plugin = new ShowBlockNodes();
}
});
return ShowBlockNodes;
});
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