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