lib/dijit/_editor/plugins/Print.js.uncompressed.js

   1 define("dijit/_editor/plugins/Print", [
   2         "dojo/_base/declare", // declare
   3         "dojo/i18n", // i18n.getLocalization
   4         "dojo/_base/lang", // lang.hitch
   5         "dojo/_base/sniff", // has("chrome") has("opera")
   6         "../../focus",          // focus.focus()
   7         "../_Plugin",
   8         "../../form/Button",
   9         "dojo/i18n!../nls/commands"
  10 ], function(declare, i18n, lang, has, focus, _Plugin, Button){
  11
  12 /*=====
  13         var _Plugin = dijit._editor._Plugin;
  14 =====*/
  15
  16 // module:
  17 //              dijit/_editor/plugins/Print
  18 // summary:
  19 //              This plugin provides Print capability to the editor.  When
  20 //              clicked, the document in the editor frame will be printed.
  21
  22
  23 var Print = declare("dijit._editor.plugins.Print",_Plugin,{
  24         // summary:
  25         //              This plugin provides Print capability to the editor.  When
  26         //              clicked, the document in the editor frame will be printed.
  27
  28         _initButton: function(){
  29                 // summary:
  30                 //              Over-ride for creation of the Print button.
  31                 var strings = i18n.getLocalization("dijit._editor", "commands"),
  32                         editor = this.editor;
  33                 this.button = new Button({
  34                         label: strings["print"],
  35                         dir: editor.dir,
  36                         lang: editor.lang,
  37                         showLabel: false,
  38                         iconClass: this.iconClassPrefix + " " + this.iconClassPrefix + "Print",
  39                         tabIndex: "-1",
  40                         onClick: lang.hitch(this, "_print")
  41                 });
  42         },
  43
  44         setEditor: function(/*dijit.Editor*/ editor){
  45                 // summary:
  46                 //              Tell the plugin which Editor it is associated with.
  47                 // editor: Object
  48                 //              The editor object to attach the print capability to.
  49                 this.editor = editor;
  50                 this._initButton();
  51
  52                 // Set up a check that we have a print function
  53                 // and disable button if we do not.
  54                 this.editor.onLoadDeferred.addCallback(
  55                         lang.hitch(this, function(){
  56                                 if(!this.editor.iframe.contentWindow["print"]){
  57                                         this.button.set("disabled", true);
  58                                 }
  59                         })
  60                 );
  61         },
  62
  63         updateState: function(){
  64                 // summary:
  65                 //              Over-ride for button state control for disabled to work.
  66                 var disabled = this.get("disabled");
  67                 if(!this.editor.iframe.contentWindow["print"]){
  68                         disabled = true;
  69                 }
  70                 this.button.set("disabled", disabled);
  71         },
  72
  73         _print: function(){
  74                 // summary:
  75                 //              Function to trigger printing of the editor document
  76                 // tags:
  77                 //              private
  78                 var edFrame = this.editor.iframe;
  79                 if(edFrame.contentWindow["print"]){
  80                         // IE requires the frame to be focused for
  81                         // print to work, but since this is okay for all
  82                         // no special casing.
  83                         if(!has("opera") && !has("chrome")){
  84                                 focus.focus(edFrame);
  85                                 edFrame.contentWindow.print();
  86                         }else{
  87                                 // Neither Opera nor Chrome 3 et you print single frames.
  88                                 // So, open a new 'window', print it, and close it.
  89                                 // Also, can't use size 0x0, have to use 1x1
  90                                 var edDoc = this.editor.document;
  91                                 var content = this.editor.get("value");
  92                                 content = "<html><head><meta http-equiv='Content-Type' " +
  93                                         "content='text/html; charset='UTF-8'></head><body>" +
  94                                         content + "</body></html>";
  95                                 var win = window.open("javascript: ''",
  96                                         "",
  97                                         "status=0,menubar=0,location=0,toolbar=0," +
  98                                         "width=1,height=1,resizable=0,scrollbars=0");
  99                                 win.document.open();
 100                                 win.document.write(content);
 101                                 win.document.close();
 102
 103                                 var styleNodes = edDoc.getElementsByTagName("style");
 104                                 if(styleNodes){
 105                                         // Clone over any editor view styles, since we can't print the iframe
 106                                         // directly.
 107                                         var i;
 108                                         for(i = 0; i < styleNodes.length; i++){
 109                                                 var style = styleNodes[i].innerHTML;
 110                                                 var sNode = win.document.createElement("style");
 111                                                 sNode.appendChild(win.document.createTextNode(style));
 112                                                 win.document.getElementsByTagName("head")[0].appendChild(sNode);
 113                                         }
 114                                 }
 115                                 win.print();
 116                                 win.close();
 117                         }
 118                 }
 119         }
 120 });
 121
 122 // Register this plugin.
 123 _Plugin.registry["print"] = function(){
 124         return new Print({command: "print"});
 125 };
 126
 127
 128 return Print;
 129 });