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Merge branch 'master' into view-refactor
[redakcja.git] / project / static / js / editor.js
diff --git a/project/static/js/editor.js b/project/static/js/editor.js
index 7b14562..6918f9e 100644 (file)
--- a/project/static/js/editor.js
+++ b/project/static/js/editor.js
@@ -1,152 +1,296 @@
+var editor;
+var panel_hooks;
+
+function Hotkey(code) {
+    this.code = code;
+    this.has_alt = ((code & 0x01 << 8) !== 0);
+    this.has_ctrl = ((code & 0x01 << 9) !== 0);
+    this.has_shift = ((code & 0x01 << 10) !== 0);
+    this.character = String.fromCharCode(code & 0xff);
+}
+
+Hotkey.prototype.toString = function() {
+    var mods = [];
+    if(this.has_alt) mods.push('Alt');
+    if(this.has_ctrl) mods.push('Ctrl');
+    if(this.has_shift) mods.push('Shift');
+    mods.push('"'+this.character+'"');
+    return mods.join('+');
+};
+
 function Panel(panelWrap) {
 function Panel(panelWrap) {
-       var self = this;
-       self.wrap = panelWrap;
-       self.contentDiv = $('.panel-content', panelWrap);
-       self.instanceId = Math.ceil(Math.random() * 1000000000);
-       $.log('new panel - wrap: ', self.wrap);
+    var self = this;
+    self.hotkeys = [];
+    self.wrap = panelWrap;
+    self.contentDiv = $('.panel-content', panelWrap);
+    self.instanceId = Math.ceil(Math.random() * 1000000000);
+    // $.log('new panel - wrap: ', self.wrap);
        
        
-       $(document).bind('panel:unload.' + self.instanceId, 
-                       function(event, data) { self.unload(event, data); });   
-
-       $(document).bind('panel:contentChanged', function(event, data) {
-               $.log(self, ' got changed event from: ', data);
-               if(self != data) 
-                       self.otherPanelChanged(event.target);
-               else 
-                       self.markChanged();
-
-               return false;           
-       });
+    $(document).bind('panel:unload.' + self.instanceId,
+        function(event, data) {
+            self.unload(event, data);
+        });
+
+    $(document).bind('panel:contentChanged', function(event, data) {
+        $.log(self, ' got changed event from: ', data);
+        if(self != data) {
+            self.otherPanelChanged(event.target);
+        } else {
+            self.markChanged();
+        }
+        return false;
+    });
 }
 
 Panel.prototype.callHook = function() {
 }
 
 Panel.prototype.callHook = function() {
-    args = $.makeArray(arguments)
-    var hookName = args.splice(0,1)[0]
-    var noHookAction = args.splice(0,1)[0]
+    var args = $.makeArray(arguments);
+    var hookName = args.splice(0,1)[0];
+    var noHookAction = args.splice(0,1)[0];
     var result = false;
 
     var result = false;
 
-       $.log('calling hook: ', hookName, 'with args: ', args);
-       if(this.hooks && this.hooks[hookName])
-               result = this.hooks[hookName].apply(this, args);
-       else if (noHookAction instanceof Function) 
+    $.log('calling hook: ', hookName, 'with args: ', args);
+    if(this.hooks && this.hooks[hookName]) {
+        result = this.hooks[hookName].apply(this, args);
+    } else if (noHookAction instanceof Function) {
         result = noHookAction(args);
         result = noHookAction(args);
+    }
     return result;
     return result;
-}
+};
+
+Panel.prototype._endload = function () {
+    // this needs to be here, so we
+    this.connectToolbar();
+    this.callHook('toolbarResized');
+};  
 
 Panel.prototype.load = function (url) {
 
 Panel.prototype.load = function (url) {
-    $.log('preparing xhr load: ', this.wrap);
+    // $.log('preparing xhr load: ', this.wrap);
     $(document).trigger('panel:unload', this);
     $(document).trigger('panel:unload', this);
-       var self = this;
-       self.current_url = url;
+    var self = this;
+    self.current_url = url;
 
     $.ajax({
         url: url,
         dataType: 'html',
 
     $.ajax({
         url: url,
         dataType: 'html',
-               success: function(data, tstat) {
-                       panel_hooks = null;
-                       $(self.contentDiv).html(data);
-                       self.hooks = panel_hooks;                       
-                       panel_hooks = null;
-                       self.callHook('load');
-               },
+        success: function(data, tstat) {
+            panel_hooks = null;
+            $(self.contentDiv).html(data);
+            self.hooks = panel_hooks;
+            panel_hooks = null;            
+            self.callHook('load');           
+        },
         error: function(request, textStatus, errorThrown) {
             $.log('ajax', url, this.target, 'error:', textStatus, errorThrown);
         error: function(request, textStatus, errorThrown) {
             $.log('ajax', url, this.target, 'error:', textStatus, errorThrown);
+            $(self.contentDiv).html("<p>Wystapił błąd podczas wczytywania panelu.</p>");
         }
     });
         }
     });
-}
+};
 
 Panel.prototype.unload = function(event, data) {
 
 Panel.prototype.unload = function(event, data) {
-       $.log('got unload signal', this, ' target: ', data);
-
-       if( data == this ) {
-               $.log('unloading', this);
+    // $.log('got unload signal', this, ' target: ', data);
+    if( data == this ) {        
         $(this.contentDiv).html('');
         $(this.contentDiv).html('');
-               this.callHook('unload');
-               this.hooks = null; // flush the hooks
-               return false;
-    };
-}
+
+        // disconnect the toolbar
+        $('div.panel-toolbar span.panel-toolbar-extra', this.wrap).html(
+            '<span />');
+        
+        this.callHook('unload');
+        this.hooks = null; // flush the hooks
+        return false;
+    }
+};
 
 Panel.prototype.refresh = function(event, data) {
     var self = this;
 
 Panel.prototype.refresh = function(event, data) {
     var self = this;
-    reload = function() {
-       $.log('hard reload for panel ', self.current_url);
-       self.load(self.current_url);
+    var reload = function() {
+        $.log('hard reload for panel ', self.current_url);
+        self.load(self.current_url);
         return true;
         return true;
-    }
+    };
 
 
-    if( this.callHook('refresh', reload) )
-       $('.change-notification', this.wrap).fadeOut();
-} 
+    if( this.callHook('refresh', reload) ) {
+        $('.change-notification', this.wrap).fadeOut();
+    }
+}; 
 
 Panel.prototype.otherPanelChanged = function(other) {
 
 Panel.prototype.otherPanelChanged = function(other) {
-       $.log('panel ', other, ' changed.');
-       if(!this.callHook('dirty'))
+    $.log('Panel ', this, ' is aware that ', other, ' changed.');
+    if(!this.callHook('dirty')) {
         $('.change-notification', this.wrap).fadeIn();
         $('.change-notification', this.wrap).fadeIn();
-}      
+    }
+};     
 
 Panel.prototype.markChanged = function () {
 
 Panel.prototype.markChanged = function () {
-       this.wrap.addClass('changed');
-}
+    this.wrap.addClass('changed');
+};
 
 Panel.prototype.changed = function () {
 
 Panel.prototype.changed = function () {
-       return this.wrap.hasClass('changed');
-}
+    return this.wrap.hasClass('changed');
+};
 
 Panel.prototype.unmarkChanged = function () {
 
 Panel.prototype.unmarkChanged = function () {
-       this.wrap.removeClass('changed');
-}
+    this.wrap.removeClass('changed');
+};
 
 Panel.prototype.saveInfo = function() {
 
 Panel.prototype.saveInfo = function() {
-       var saveInfo = {};
-       this.callHook('saveInfo', null, saveInfo);
-       return saveInfo;
-}
+    var saveInfo = {};
+    this.callHook('saveInfo', null, saveInfo);
+    return saveInfo;
+};
 
 
+Panel.prototype.connectToolbar = function()
+{
+    var self = this;
+    self.hotkeys = [];
+    
+    // check if there is a one
+    var toolbar = $("div.toolbar", this.contentDiv);
+    // $.log('Connecting toolbar', toolbar);
+    if(toolbar.length === 0) return;
+
+    // move the extra
+    var extra_buttons = $('span.panel-toolbar-extra button', toolbar);
+    var placeholder = $('div.panel-toolbar span.panel-toolbar-extra > span', this.wrap);
+    placeholder.replaceWith(extra_buttons);       
+
+    // connect group-switch buttons
+    var group_buttons = $('*.toolbar-tabs-container button', toolbar);
+
+    // $.log('Found groups:', group_buttons);
+
+    group_buttons.each(function() {
+        var group = $(this);
+        var group_name = group.attr('ui:group');
+        // $.log('Connecting group: ' + group_name);
+
+        group.click(function() {
+            // change the active group
+            var active = $("*.toolbar-tabs-container button.active", toolbar);
+            if (active != group) {
+                active.removeClass('active');                
+                group.addClass('active');
+                $(".toolbar-button-groups-container p", toolbar).each(function() {
+                    if ( $(this).attr('ui:group') != group_name) {
+                        $(this).hide();
+                    } else {
+                        $(this).show();
+                    }
+                });
+                self.callHook('toolbarResized');
+            }
+        });        
+    });
 
 
-function Editor() {
-       this.rootDiv = $('#panels');
-}
+    // connect action buttons
+    var allbuttons = $.makeArray(extra_buttons);
+    $.merge(allbuttons,
+        $.makeArray($('*.toolbar-button-groups-container button', toolbar)) );
+        
+    $(allbuttons).each(function() {
+        var button = $(this);
+        var hk = button.attr('ui:hotkey');
+        if(hk) hk = new Hotkey( parseInt(hk) );
+
+        try {
+            var params = $.evalJSON(button.attr('ui:action-params'));
+        } catch(object) {
+            $.log('JSON exception in ', button, ': ', object);
+            button.attr('disabled', 'disabled');
+            return;
+        }
 
 
-Editor.prototype.setupUI = function() {
-       // set up the UI visually and attach callbacks
-       var self = this;
-   
-       self.rootDiv.makeHorizPanel({}); // TODO: this probably doesn't belong into jQuery
-    self.rootDiv.css('top', ($('#header').outerHeight() ) + 'px');
-    
-       $('#panels > *.panel-wrap').each(function() {
-               var panelWrap = $(this);
-               $.log('wrap: ', panelWrap);
-               panel = new Panel(panelWrap);
-               panelWrap.data('ctrl', panel); // attach controllers to wraps
-        panel.load($('.panel-toolbar select', panelWrap).val());
+        var callback = function() {
+            editor.callScriptlet(button.attr('ui:action'), self, params);
+        };
+
+        // connect button
+        button.click(callback);
+       
+        // connect hotkey
+        if(hk) {
+            self.hotkeys[hk.code] = callback;
+        // $.log('hotkey', hk);
+        }
         
         
-        $('.panel-toolbar select', panelWrap).change(function() {
-            var url = $(this).val();
-            panelWrap.data('ctrl').load(url);
-            self.savePanelOptions();
-        });
+        // tooltip
+        if (button.attr('ui:tooltip') )
+        {
+            var tooltip = button.attr('ui:tooltip');
+            if(hk) tooltip += ' ['+hk+']';
+
+            button.wTooltip({
+                delay: 1000,
+                style: {
+                    border: "1px solid #7F7D67",
+                    opacity: 0.9,
+                    background: "#FBFBC6",
+                    padding: "1px",
+                    fontSize: "12px"
+                },
+                content: tooltip
+            });
+        }
     });
     });
+};
 
 
-       $(document).bind('panel:contentChanged', function() { self.onContentChanged.apply(self, arguments) });
-    
-    $('#toolbar-button-save').click( function (event, data) { self.saveToBranch(); } );
-    $('#toolbar-button-commit').click( function (event, data) { self.sendPullRequest(); } );
-    self.rootDiv.bind('stopResize', function() { self.savePanelOptions() });
+Panel.prototype.hotkeyPressed = function(event)
+{
+    var code = event.keyCode;
+    if(event.altKey) code = code | 0x100;
+    if(event.ctrlKey) code = code | 0x200;
+    if(event.shiftKey) code = code | 0x400;
+
+    var callback = this.hotkeys[code];
+    if(callback) callback();
+};
+
+Panel.prototype.isHotkey = function(event) {
+    var code = event.keyCode;
+    if(event.altKey) code = code | 0x100;
+    if(event.ctrlKey) code = code | 0x200;
+    if(event.shiftKey) code = code | 0x400;
+
+    $.log(event.character, this.hotkeys[code]);
+
+    if(this.hotkeys[code]) {
+        return true;
+    }
+    return false;
+};
+
+Panel.prototype.fireEvent = function(name) {
+    $(document).trigger('panel:'+name, this);
+};
+
+function Editor()
+{
+    this.rootDiv = $('#panels');
+    this.popupQueue = [];
+    this.autosaveTimer = null;
+    this.scriplets = {};
 }
 
 Editor.prototype.loadConfig = function() {
     // Load options from cookie
     var defaultOptions = {
         panels: [
 }
 
 Editor.prototype.loadConfig = function() {
     // Load options from cookie
     var defaultOptions = {
         panels: [
-            {name: 'htmleditor', ratio: 0.5},
-            {name: 'gallery', ratio: 0.5}
-        ]
-    }
+        {
+            name: 'htmleditor',
+            ratio: 0.5
+        },
+
+        {
+            name: 'gallery',
+            ratio: 0.5
+        }
+        ],
+        recentFiles: [],
+        lastUpdate: 0
+    };
     
     try {
     
     try {
-       var cookie = $.cookie('options');
+        var cookie = $.cookie('options');
         this.options = $.secureEvalJSON(cookie);
         if (!this.options) {
             this.options = defaultOptions;
         this.options = $.secureEvalJSON(cookie);
         if (!this.options) {
             this.options = defaultOptions;
@@ -154,129 +298,281 @@ Editor.prototype.loadConfig = function() {
     } catch (e) {    
         this.options = defaultOptions;
     }
     } catch (e) {    
         this.options = defaultOptions;
     }
+    
+    this.fileOptions = this.options;
+    var self = this;
+
+    if(!this.options.recentFiles)
+        this.options.recentFiles = [];
+
+    $.each(this.options.recentFiles, function(index) {
+        if (fileId == self.options.recentFiles[index].fileId) {
+            $.log('Found options for', fileId);
+            self.fileOptions = self.options.recentFiles[index];
+        }
+    });
+    
     $.log(this.options);
     $.log(this.options);
+    $.log('fileOptions', this.fileOptions);
     
     this.loadPanelOptions();
     
     this.loadPanelOptions();
-}
+    this.savePanelOptions();
+};
 
 Editor.prototype.loadPanelOptions = function() {
 
 Editor.prototype.loadPanelOptions = function() {
-    var self = this;
-    var totalWidth = 0;
-    
-    $('.panel-wrap', self.rootDiv).each(function(index) {
-        var panelWidth = self.options.panels[index].ratio * self.rootDiv.width();
-        if ($(this).hasClass('last-panel')) {
-            $(this).css({
-                left: totalWidth,
-                right: 0,
-            });
-        } else {
-            $(this).css({
-                left: totalWidth,
-                width: panelWidth,
-            });
-            totalWidth += panelWidth;               
-        }
-        $.log('panel:', this, $(this).css('left'));
-        $('.panel-toolbar select', this).val(
-            $('.panel-toolbar option[name=' + self.options.panels[index].name + ']', this).attr('value')
-        )
-    });   
-}
+    // var self = this;
+    // var totalWidth = 0;
+    // 
+    // $('.panel-wrap', self.rootDiv).each(function(index) {
+    //     var panelWidth = self.fileOptions.panels[index].ratio * self.rootDiv.width();
+    //     if ($(this).hasClass('last-panel')) {
+    //         $(this).css({
+    //             left: totalWidth,
+    //             right: 0
+    //         });
+    //     } else {
+    //         $(this).css({
+    //             left: totalWidth,
+    //             width: panelWidth
+    //         });
+    //         totalWidth += panelWidth;               
+    //     }
+    //     $.log('panel:', this, $(this).css('left'));
+    //     $('.panel-toolbar option', this).each(function() {
+    //         if ($(this).attr('p:panel-name') == self.fileOptions.panels[index].name) {
+    //             $(this).parent('select').val($(this).attr('value'));
+    //         }
+    //     });
+    // });   
+};
 
 Editor.prototype.savePanelOptions = function() {
     var self = this;
     var panels = [];
     $('.panel-wrap', self.rootDiv).not('.panel-content-overlay').each(function() {
         panels.push({
 
 Editor.prototype.savePanelOptions = function() {
     var self = this;
     var panels = [];
     $('.panel-wrap', self.rootDiv).not('.panel-content-overlay').each(function() {
         panels.push({
-            name: $('.panel-toolbar option:selected', this).attr('name'),
+            name: $('.panel-toolbar option:selected', this).attr('p:panel-name'),
             ratio: $(this).width() / self.rootDiv.width()
             ratio: $(this).width() / self.rootDiv.width()
-        })
+        });
     });
     self.options.panels = panels;
     });
     self.options.panels = panels;
-    $.log($.toJSON(self.options));
-    $.cookie('options', $.toJSON(self.options), { expires: 7, path: '/'});
-}
 
 
-Editor.prototype.saveToBranch = function() {
-       var changed_panel = $('.panel-wrap.changed');
-       var self = this;
-       $.log('Saving to local branch - panel:', changed_panel);
-
-       if( changed_panel.length == 0) {
-               $.log('Nothing to save.');
-               return; /* no changes */
-       }
-
-       if( changed_panel.length > 1) {
-               alert('Błąd: więcej niż jeden panel został zmodyfikowany. Nie można zapisać.');
-               return;
-       }
-
-       saveInfo = changed_panel.data('ctrl').saveInfo();
-
-       $.ajax({
-               url: saveInfo.url,
-               dataType: 'json',
-               success: function(data, textStatus) {
-                       if (data.result != 'ok')
-                               $.log('save errors: ', data.errors)
-                       else {
-                               self.refreshPanels(changed_panel);
-                $('#toolbar-button-save').attr('disabled', 'disabled');
-                $('#toolbar-button-commit').removeAttr('disabled');
+    // Dodaj obecnie oglądany plik do listy recentFiles
+    var recentFiles = [{fileId: fileId, panels: panels}];
+    var count = 1;
+    $.each(self.options.recentFiles, function(index) {
+        if (count < 5 && fileId != self.options.recentFiles[index].fileId) {
+            recentFiles.push(self.options.recentFiles[index]);
+            count++;
+        }
+    });
+    self.options.recentFiles = recentFiles;
+    
+    self.options.lastUpdate = new Date().getTime() / 1000;
+    $.log($.toJSON(self.options));    
+    $.cookie('options', $.toJSON(self.options), {
+        expires: 7,
+        path: '/'
+    });
+};
+
+Editor.prototype.saveToBranch = function(msg) 
+{
+    var changed_panel = $('.panel-wrap.changed');
+    var self = this;
+    $.log('Saving to local branch - panel:', changed_panel);
+
+    if(!msg) msg = "Szybki zapis z edytora platformy.";
+
+    if( changed_panel.length === 0) {
+        $.log('Nothing to save.');
+        return true; /* no changes */
+    }
+
+    if( changed_panel.length > 1) {
+        alert('Błąd: więcej niż jeden panel został zmodyfikowany. Nie można zapisać.');
+        return false;
+    }
+
+    var saveInfo = changed_panel.data('ctrl').saveInfo();
+    var postData = '';
+    
+    if (saveInfo.postData instanceof Object) {
+        postData = $.param(saveInfo.postData);
+    } else {
+        postData = saveInfo.postData;
+    }
+    
+    postData += '&' + $.param({
+        'commit_message': msg
+    });
+
+    self.showPopup('save-waiting', '', -1);
+
+    $.ajax({
+        url: saveInfo.url,
+        dataType: 'json',
+        success: function(data, textStatus) {
+            if (data.result != 'ok') {
+                self.showPopup('save-error', (data.errors && data.errors[0]) || 'Nieznany błąd X_X.');
             }
             }
-               },
-               error: function(rq, tstat, err) {
-                       $.log('save error', rq, tstat, err);
-               },
-               type: 'POST',
-               data: saveInfo.postData
-       });
+            else {
+                self.refreshPanels();
+
+
+                if(self.autosaveTimer) {
+                    clearTimeout(self.autosaveTimer);
+                }
+                if (data.warnings === null || data.warning === undefined) {
+                    self.showPopup('save-successful');
+                } else {
+                    self.showPopup('save-warn', data.warnings[0]);
+                }
+            }
+            
+            self.advancePopupQueue();
+        },
+        error: function(rq, tstat, err) {
+            self.showPopup('save-error', '- bład wewnętrzny serwera.');
+            self.advancePopupQueue();
+        },
+        type: 'POST',
+        data: postData
+    });
+
+    return true;
+};
+
+Editor.prototype.autoSave = function() 
+{
+    this.autosaveTimer = null;
+    // first check if there is anything to save
+    $.log('Autosave');
+    this.saveToBranch("Automatyczny zapis z edytora platformy.");
 };
 
 Editor.prototype.onContentChanged = function(event, data) {
 };
 
 Editor.prototype.onContentChanged = function(event, data) {
-        $('#toolbar-button-save').removeAttr('disabled');
-        $('#toolbar-button-commit').attr('disabled', 'disabled');
+    var self = this;
+
+    $('button.provides-save').removeAttr('disabled');
+    $('button.requires-save').attr('disabled', 'disabled');
+    
+    if(this.autosaveTimer) return;
+    this.autosaveTimer = setTimeout( function() {
+        self.autoSave();
+    }, 300000 );
 };
 
 };
 
-Editor.prototype.refreshPanels = function(goodPanel) {
-       var self = this;
-       var panels = $('#' + self.rootDiv.attr('id') +' > *.panel-wrap', self.rootDiv.parent());
-
-       panels.each(function() {
-               var panel = $(this).data('ctrl');
-               $.log('Refreshing: ', this, panel);
-               if ( panel.changed() )
-                       panel.unmarkChanged();
-               else 
-                       panel.refresh();
-       });
-};             
-
-
-Editor.prototype.sendPullRequest = function () {
-    if( $('.panel-wrap.changed').length != 0)
-        alert("There are unsaved changes - can't make a pull request.");
-
-       $.ajax({
-               url: '/pull-request',
-               dataType: 'json',
-               success: function(data, textStatus) {
-            $.log('data: ' + data);
-               },
-               error: function(rq, tstat, err) {
-                       $.log('commit error', rq, tstat, err);
-               },
-               type: 'POST',
-               data: {}
-       });
-}
+Editor.prototype.updateUserBranch = function() {
+    if($('.panel-wrap.changed').length !== 0) {
+        alert("There are unsaved changes - can't update.");
+    }
+
+    var self = this;
+    $.ajax({
+        url: $('#toolbar-button-update').attr('ui:ajax-action'),
+        dataType: 'json',
+        success: function(data, textStatus) {
+            switch(data.result) {
+                case 'done':
+                    self.showPopup('generic-yes', 'Plik uaktualniony.');
+                    self.refreshPanels();
+                    break;
+                case 'nothing-to-do':
+                    self.showPopup('generic-info', 'Brak zmian do uaktualnienia.');
+                    break;
+                default:
+                    self.showPopup('generic-error', data.errors && data.errors[0]);
+            }
+        },
+        error: function(rq, tstat, err) {
+            self.showPopup('generic-error', 'Błąd serwera: ' + err);
+        },
+        type: 'POST',
+        data: {}
+    });
+};
+
+Editor.prototype.sendMergeRequest = function (message) {
+    if( $('.panel-wrap.changed').length !== 0) {
+        alert("There are unsaved changes - can't commit.");
+    }
+
+    var self =  this;    
+        
+    $.ajax({        
+        url: $('#commit-dialog form').attr('action'),
+        dataType: 'json',
+        success: function(data, textStatus) {
+            switch(data.result) {
+                case 'done':
+                    self.showPopup('generic-yes', 'Łączenie zmian powiodło się.');
+
+                    if(data.localmodified) {
+                        self.refreshPanels();
+                    }
+                        
+                    break;
+                case 'nothing-to-do':
+                    self.showPopup('generic-info', 'Brak zmian do połaczenia.');
+                    break;
+                default:
+                    self.showPopup('generic-error', data.errors && data.errors[0]);
+            }
+        },
+        error: function(rq, tstat, err) {
+            self.showPopup('generic-error', 'Błąd serwera: ' + err);
+        },
+        type: 'POST',
+        data: {
+            'message': message
+        }
+    }); 
+};
+
+Editor.prototype.postSplitRequest = function(s, f)
+{
+    $.ajax({
+        url: $('#split-dialog form').attr('action'),
+        dataType: 'html',
+        success: s,
+        error: f,
+        type: 'POST',
+        data: $('#split-dialog form').serialize()
+    });
+};
+
+
+Editor.prototype.allPanels = function() {
+    return $('#' + this.rootDiv.attr('id') +' > *.panel-wrap', this.rootDiv.parent());
+};
+
+Editor.prototype.registerScriptlet = function(scriptlet_id, scriptlet_func)
+{
+    // I briefly assume, that it's verified not to break the world on SS
+    if (!this[scriptlet_id]) {
+        this[scriptlet_id] = scriptlet_func;
+    }
+};
+
+Editor.prototype.callScriptlet = function(scriptlet_id, panel, params) {
+    var func = this[scriptlet_id];
+    if(!func) {
+        throw 'No scriptlet named "' + scriptlet_id + '" found.';
+    }
+    return func(this, panel, params);
+};
 
 $(function() {
 
 $(function() {
-       editor = new Editor();
+    $.fbind = function (self, func) {
+        return function() { 
+            return func.apply(self, arguments);
+        };
+    };
+    
+    editor = new Editor();
 
 
-       // do the layout
-       editor.loadConfig();
-       editor.setupUI();
+    // do the layout
+    editor.loadConfig();
+    editor.setupUI();
 });
 });