platforma/static/js/wiki/view_editor_source.js

   1 /* COMMENT */
   2 (function($) {
   3
   4         function CodeMirrorPerspective(options)
   5         {
   6                 var old_callback = options.callback;
   7         options.callback = function(){
   8                         var self = this;
   9
  10                         this.codemirror = CodeMirror.fromTextArea('codemirror_placeholder', {
  11                                 parserfile: 'parsexml.js',
  12                                 path: STATIC_URL + "js/lib/codemirror/",
  13                                 stylesheet: STATIC_URL + "css/xmlcolors_15032010.css",
  14                                 parserConfig: {
  15                                         useHTMLKludges: false
  16                                 },
  17                                 iframeClass: 'xml-iframe',
  18                                 textWrapping: true,
  19                                 lineNumbers: true,
  20                                 width: "100%",
  21                                 tabMode: 'spaces',
  22                                 indentUnit: 0,
  23                                 readOnly: CurrentDocument.readonly || false,
  24                                 initCallback: function(){
  25
  26                                         self.codemirror.grabKeys(function(event) {
  27                                                 if (event.button) {
  28                                                         $(event.button).trigger('click');
  29                                                         event.button = null;
  30                                                 }
  31                                         }, function(event) {
  32                                                 /* CM reports characters 2 times - as event and as code */
  33                                                 if((typeof event) != "object")
  34                                                         return false;
  35
  36                                                 if(!event.altKey)
  37                                                         return false;
  38
  39                                                 var c = String.fromCharCode(event.keyCode).toLowerCase();
  40                                                 var button = $("#source-editor button[data-ui-accesskey='"+c+"']");
  41                                                 if(button.length == 0)
  42                                                         return false;
  43
  44                                                 /* it doesn't matter which button we pick - all do the same */
  45                                                 event.button = button[0];
  46                                                 return true;
  47                                         });
  48
  49                                         $('#source-editor .toolbar button').click(function(event){
  50                                                 event.preventDefault();
  51                                                 var params = eval("(" + $(this).attr('data-ui-action-params') + ")");
  52                                                 scriptletCenter.callInteractive({
  53                                                         action: $(this).attr('data-ui-action'),
  54                                                         context: self.codemirror,
  55                                                         extra: params
  56                                                 });
  57                                         });
  58
  59                                         $('.toolbar select').change(function(event){
  60                                                 var slug = $(this).val();
  61
  62                                                 $('.toolbar-buttons-container').hide().filter('[data-group=' + slug + ']').show();
  63                                                 $(window).resize();
  64                                         });
  65
  66                                         $('.toolbar-buttons-container').hide();
  67                                         $('.toolbar select').change();
  68
  69                                         console.log("Initialized CodeMirror");
  70
  71                                         // textarea is no longer needed
  72                                         $('codemirror_placeholder').remove();
  73
  74                                         old_callback.call(self);
  75                                 }
  76                         });
  77                 };
  78
  79                 $.wiki.Perspective.call(this, options);
  80         };
  81
  82
  83         CodeMirrorPerspective.prototype = new $.wiki.Perspective();
  84
  85         CodeMirrorPerspective.prototype.freezeState = function() {
  86                 this.config().position = this.codemirror.win.scrollY || 0;
  87         };
  88
  89         CodeMirrorPerspective.prototype.unfreezeState = function () {
  90                 this.codemirror.win.scroll(0, this.config().position || 0);
  91         };
  92
  93         CodeMirrorPerspective.prototype.onEnter = function(success, failure) {
  94                 $.wiki.Perspective.prototype.onEnter.call(this);
  95
  96                 console.log('Entering', this.doc);
  97                 this.codemirror.setCode(this.doc.text);
  98
  99                 /* fix line numbers bar */
 100                 var $nums = $('.CodeMirror-line-numbers');
 101             var barWidth = $nums.width();
 102
 103                 $(this.codemirror.frame.contentDocument.body).css('padding-left', barWidth);
 104                 // $nums.css('left', -barWidth);
 105
 106                 $(window).resize();
 107                 this.unfreezeState(this._uistate);
 108
 109                 if(success) success();
 110         }
 111
 112         CodeMirrorPerspective.prototype.onExit = function(success, failure) {
 113                 this.freezeState();
 114
 115                 $.wiki.Perspective.prototype.onExit.call(this);
 116                 console.log('Exiting', this.doc);
 117                 this.doc.setText(this.codemirror.getCode());
 118
 119                 if(success) success();
 120         }
 121
 122         $.wiki.CodeMirrorPerspective = CodeMirrorPerspective;
 123
 124 })(jQuery);