platforma/static/js/views/xml.js

   1 /*global View CodeMirror ToolbarView render_template panels */
   2 var XMLView = View.extend({
   3     _className: 'XMLView',
   4     element: null,
   5     model: null,
   6     template: 'xml-view-template',
   7     editor: null,
   8     buttonToolbar: null,
   9
  10     init: function(element, model, parent, template) {
  11         this._super(element, model, template);
  12         this.parent = parent;
  13         this.buttonToolbar = new ButtonToolbarView(
  14             $('.xmlview-toolbar', this.element),
  15             this.model.toolbarButtonsModel, parent);
  16
  17         this.hotkeys = [];
  18         var self = this;
  19
  20         $('.xmlview-toolbar', this.element).bind('resize.xmlview', this.resized.bind(this));
  21
  22         // scroll to the given position (if availble)
  23         this.scrollCallback = this.scrollOnRequest.bind(this);
  24         $(document).bind('xml-scroll-request', this.scrollCallback);
  25
  26         this.parent.freeze('Ładowanie edytora...');
  27         this.editor = new CodeMirror($('.xmlview', this.element).get(0), {
  28             parserfile: 'parsexml.js',
  29             path: "/static/js/lib/codemirror/",
  30             stylesheet: "/static/css/xmlcolors.css",
  31             parserConfig: {
  32                 useHTMLKludges: false
  33             },
  34             textWrapping: true,
  35             tabMode: 'spaces',
  36             indentUnit: 0,
  37             onChange: this.editorDataChanged.bind(this),
  38             initCallback: this.editorDidLoad.bind(this)
  39         });
  40     },
  41
  42     resized: function(event) {
  43         var height = this.element.height() - $('.xmlview-toolbar', this.element).outerHeight();
  44         $('.xmlview', this.element).height(height);
  45     },
  46
  47     reload: function() {
  48         this.model.load(true);
  49     },
  50
  51     editorDidLoad: function(editor) {
  52         $(editor.frame).css({
  53             width: '100%',
  54             height: '100%'
  55         });
  56         this.model
  57         .addObserver(this, 'data', this.modelDataChanged.bind(this))
  58         .addObserver(this, 'state', this.modelStateChanged.bind(this))
  59         .load();
  60
  61         this.parent.unfreeze();
  62
  63         this.editor.setCode(this.model.get('data'));
  64         this.modelStateChanged('state', this.model.get('state'));
  65
  66         editor.grabKeys(
  67             this.hotkeyPressed.bind(this),
  68             this.isHotkey.bind(this)
  69             );
  70     },
  71
  72     editorDataChanged: function() {
  73         this.model.set('data', this.editor.getCode());
  74     },
  75
  76     modelDataChanged: function(property, value) {
  77         if (this.editor.getCode() != value) {
  78             this.editor.setCode(value);
  79         }
  80     },
  81
  82     modelStateChanged: function(property, value) {
  83         if (value == 'synced' || value == 'dirty') {
  84             this.unfreeze();
  85         } else if (value == 'unsynced') {
  86             this.freeze('Niezsynchronizowany...');
  87         } else if (value == 'loading') {
  88             this.freeze('Ładowanie...');
  89         } else if (value == 'saving') {
  90             this.freeze('Zapisywanie...');
  91         } else if (value == 'error') {
  92             this.freeze(this.model.get('error'));
  93         }
  94     },
  95
  96     dispose: function() {
  97         $(document).unbind('xml-scroll-request', this.scrollCallback);
  98
  99         this.model.removeObserver(this);
 100         $(this.editor.frame).remove();
 101         this._super();
 102     },
 103
 104     getHotkey: function(event) {
 105         var code = event.keyCode;
 106         if(!((code >= 97 && code <= 122)
 107            || (code >= 65 && code <= 90)) ) return null;
 108
 109         var ch = String.fromCharCode(code & 0xff).toLowerCase();
 110         /* # console.log(ch.charCodeAt(0), '#', buttons); */
 111
 112         var buttons = $('.buttontoolbarview-button[hotkey='+ch+']', this.element);
 113         var mod = 0;
 114
 115         if(event.altKey) mod |= 0x01;
 116         if(event.ctrlKey) mod |= 0x02;
 117         if(event.shiftKey) mod |= 0x04;
 118
 119         if(buttons.length) {
 120             var match = null;
 121
 122             buttons.each(function() {
 123                 if( parseInt($(this).attr('ui:hotkey_mod')) == mod ) {
 124                     match = this;
 125                     return;
 126                 }
 127             })
 128
 129             return match;
 130         }
 131         else {
 132             return null;
 133         }
 134     },
 135
 136     isHotkey: function() {
 137         /* console.log(arguments); */
 138         if(this.getHotkey.apply(this, arguments))
 139             return true;
 140         else
 141             return false;
 142     },
 143
 144     hotkeyPressed: function() {
 145         var button = this.getHotkey.apply(this, arguments);
 146         this.buttonToolbar.buttonPressed({
 147             target: button
 148         });
 149     },
 150
 151     scrollOnRequest: function(event, data)
 152     {
 153         try {
 154             var line = this.editor.nthLine(data.line);
 155             this.editor.selectLines(line, (data.column-1));
 156         } catch(e) {
 157             console.log('Exception in scrollOnRequest:', e);
 158         }
 159     }
 160
 161 });
 162
 163 function Hotkey(code) {
 164     this.code = code;
 165     this.has_alt = ((code & 0x01 << 8) !== 0);
 166     this.has_ctrl = ((code & 0x01 << 9) !== 0);
 167     this.has_shift = ((code & 0x01 << 10) !== 0);
 168     this.character = String.fromCharCode(code & 0xff);
 169 }
 170
 171 Hotkey.prototype.toString = function() {
 172     var mods = [];
 173     if(this.has_alt) mods.push('Alt');
 174     if(this.has_ctrl) mods.push('Ctrl');
 175     if(this.has_shift) mods.push('Shift');
 176     mods.push('"'+this.character+'"');
 177     return mods.join('+');
 178 };
 179
 180 // Register view
 181 panels['xml'] = XMLView;