tt-rss/lib/dijit/_editor/plugins/Print.js
2011-11-08 20:40:44 +04:00

125 lines
3.9 KiB
JavaScript

/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dijit._editor.plugins.Print"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit._editor.plugins.Print"] = true;
dojo.provide("dijit._editor.plugins.Print");
dojo.require("dijit._editor._Plugin");
dojo.require("dijit.form.Button");
dojo.require("dojo.i18n");
dojo.requireLocalization("dijit._editor", "commands", null, "ROOT,ar,ca,cs,da,de,el,es,fi,fr,he,hu,it,ja,kk,ko,nb,nl,pl,pt,pt-pt,ro,ru,sk,sl,sv,th,tr,zh,zh-tw");
dojo.declare("dijit._editor.plugins.Print",dijit._editor._Plugin,{
// summary:
// This plugin provides Print cabability to the editor. When
// clicked, the document in the editor frame will be printed.
_initButton: function(){
// summary:
// Over-ride for creation of the Print button.
var strings = dojo.i18n.getLocalization("dijit._editor", "commands"),
editor = this.editor;
this.button = new dijit.form.Button({
label: strings["print"],
dir: editor.dir,
lang: editor.lang,
showLabel: false,
iconClass: this.iconClassPrefix + " " + this.iconClassPrefix + "Print",
tabIndex: "-1",
onClick: dojo.hitch(this, "_print")
});
},
setEditor: function(/*dijit.Editor*/ editor){
// summary:
// Tell the plugin which Editor it is associated with.
// editor: Object
// The editor object to attach the print capability to.
this.editor = editor;
this._initButton();
// Set up a check that we have a print function
// and disable button if we do not.
this.editor.onLoadDeferred.addCallback(
dojo.hitch(this, function(){
if(!this.editor.iframe.contentWindow["print"]){
this.button.set("disabled", true);
}
})
);
},
updateState: function(){
// summary:
// Over-ride for button state control for disabled to work.
var disabled = this.get("disabled");
if(!this.editor.iframe.contentWindow["print"]){
disabled = true;
}
this.button.set("disabled", disabled);
},
_print: function(){
// summary:
// Function to trigger printing of the editor document
// tags:
// private
var edFrame = this.editor.iframe;
if(edFrame.contentWindow["print"]){
// IE requires the frame to be focused for
// print to work, but since this is okay for all
// no special casing.
if(!dojo.isOpera && !dojo.isChrome){
dijit.focus(edFrame);
edFrame.contentWindow.print();
}else{
// Neither Opera nor Chrome 3 et you print single frames.
// So, open a new 'window', print it, and close it.
// Also, can't use size 0x0, have to use 1x1
var edDoc = this.editor.document;
var content = this.editor.get("value");
content = "<html><head><meta http-equiv='Content-Type' " +
"content='text/html; charset='UTF-8'></head><body>" +
content + "</body></html>";
var win = window.open("javascript: ''",
"",
"status=0,menubar=0,location=0,toolbar=0," +
"width=1,height=1,resizable=0,scrollbars=0");
win.document.open();
win.document.write(content);
win.document.close();
var styles = [];
var styleNodes = edDoc.getElementsByTagName("style");
if(styleNodes){
// Clone over any editor view styles, since we can't print the iframe
// directly.
var i;
for(i = 0; i < styleNodes.length; i++){
var style = styleNodes[i].innerHTML;
var sNode = win.document.createElement("style");
sNode.appendChild(win.document.createTextNode(style));
win.document.getElementsByTagName("head")[0].appendChild(sNode);
}
}
win.print();
win.close();
}
}
}
});
// Register this plugin.
dojo.subscribe(dijit._scopeName + ".Editor.getPlugin",null,function(o){
if(o.plugin){ return; }
var name = o.args.name.toLowerCase();
if(name === "print"){
o.plugin = new dijit._editor.plugins.Print({command: "print"});
}
});
}