From e573418502325e80c42523264424fa547a435de5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Thu, 20 Jun 2013 12:33:14 +0200
Subject: [PATCH] canvas manager wip

---
 modules/documentCanvas/canvas.js         |  13 +-
 modules/documentCanvas/canvasManager.js  | 144 ++++++++++++++++++
 modules/documentCanvas/documentCanvas.js | 178 +++--------------------
 3 files changed, 172 insertions(+), 163 deletions(-)
 create mode 100644 modules/documentCanvas/canvasManager.js

diff --git a/modules/documentCanvas/canvas.js b/modules/documentCanvas/canvas.js
index dc64cac..a15bb2c 100644
--- a/modules/documentCanvas/canvas.js
+++ b/modules/documentCanvas/canvas.js
@@ -9,13 +9,14 @@ define([
 'use strict';
 
 var Canvas = function(xml) {
-    this.xml = xml;
     this.dom = $(template);
-    
-    this.content = this.dom.find('#rng-module-documentCanvas-content')
-    
-    
-    this.content.html(transformations.fromXML.getHTMLTree(xml));
+    this.content = this.dom.find('#rng-module-documentCanvas-content');
+    this.setXML(xml);
+}
+
+Canvas.prototype.setXML = function(xml) {
+    this.xml = xml;
+    this.content.html(transformations.fromXML.getHTMLTree(xml));  
 }
 
 Canvas.prototype.toXML = function() {
diff --git a/modules/documentCanvas/canvasManager.js b/modules/documentCanvas/canvasManager.js
new file mode 100644
index 0000000..fcf2659
--- /dev/null
+++ b/modules/documentCanvas/canvasManager.js
@@ -0,0 +1,144 @@
+define([
+'libs/jquery-1.9.1.min',
+'./wlxmlNode'
+], function($, wlxmlNode) {
+
+'use strict';
+
+var Manager = function(canvas, sandbox) {
+    this.canvas = canvas;
+    this.sandbox = sandbox;
+    this.shownAlready = false;
+    this.gridToggled = false;
+    this.scrollbarPosition = 0;
+    this.currentNode = null;
+    var manager = this;
+        
+    canvas.dom.find('#rng-module-documentCanvas-content').on('keyup', function() {
+        manager.sandbox.publish('contentChanged');
+    });
+
+    canvas.dom.on('mouseover', '[wlxml-tag]', function(e) {
+        e.stopPropagation();
+        manager.sandbox.publish('nodeHovered', new wlxmlNode.Node($(e.target)));
+    });
+    canvas.dom.on('mouseout', '[wlxml-tag]', function(e) {
+        e.stopPropagation();
+        manager.sandbox.publish('nodeBlured', new wlxmlNode.Node($(e.target)));
+    });
+    canvas.dom.on('click', '[wlxml-tag]', function(e) {
+        e.stopPropagation();
+        console.log('clicked node type: '+e.target.nodeType);
+        manager.selectNode(new wlxmlNode.Node($(e.target)));
+    });
+
+    canvas.dom.on('keyup', '#rng-module-documentCanvas-contentWrapper', function(e) {
+        var anchor = $(window.getSelection().anchorNode);
+        if(anchor[0].nodeType === Node.TEXT_NODE)
+            anchor = anchor.parent();
+        if(!anchor.is('[wlxml-tag]'))
+            return;
+        manager.selectNode(new wlxmlNode.Node(anchor));
+    });
+    
+    canvas.dom.on('keydown', '#rng-module-documentCanvas-contentWrapper', function(e) {
+        if(e.which === 13) { 
+            e.preventDefault();
+            //view.insertNewNode(null, null);
+        }
+        if(e.which === 8) {
+            var anchor = window.getSelection().anchorNode;
+            var len = anchor.length;
+            console.log(len);
+            if(len === 1) {
+                e.preventDefault();
+                $(anchor).parent().text('');
+            }
+        }
+    });
+              
+    canvas.dom.onShow = function() {
+        if(!manager.shownAlready) {
+            manager.shownAlready = true;
+            manager.selectFirstNode();
+        } else if(manager.currentNode) {
+            manager.movecaretToNode(manager.getNodeElement(manager.currentNode));
+            canvas.dom.find('#rng-module-documentCanvas-contentWrapper').scrollTop(manager.scrollbarPosition);
+        }
+    };
+    canvas.dom.onHide = function() {
+       manager.scrollbarPosition = canvas.dom.find('#rng-module-documentCanvas-contentWrapper').scrollTop();
+    }
+};
+    
+Manager.prototype.selectNode = function(wlxmlNode, options) {
+        options = options || {};
+        var nodeElement = this.getNodeElement(wlxmlNode)
+        
+        this.dimNode(wlxmlNode);
+        
+        this.canvas.dom.find('.rng-module-documentCanvas-currentNode').removeClass('rng-module-documentCanvas-currentNode');
+        nodeElement.addClass('rng-module-documentCanvas-currentNode');
+         
+        if(options.movecaret) {
+            this.movecaretToNode(nodeElement);
+        }
+        
+        this.currentNode = wlxmlNode;
+        this.sandbox.publish('nodeSelected', wlxmlNode);
+};
+
+Manager.prototype.getNodeElement = function(wlxmlNode) {
+    return this.canvas.dom.find('#'+wlxmlNode.id);
+};
+
+Manager.prototype.highlightNode = function(wlxmlNode) {
+    var nodeElement = this.getNodeElement(wlxmlNode);
+    if(!this.gridToggled) {
+        nodeElement.addClass('rng-common-hoveredNode');
+        var label = nodeElement.attr('wlxml-tag');
+        if(nodeElement.attr('wlxml-class'))
+            label += ' / ' + nodeElement.attr('wlxml-class');
+        var tag = $('<div>').addClass('rng-module-documentCanvas-hoveredNodeTag').text(label);
+        nodeElement.append(tag);
+    }
+};
+
+Manager.prototype.dimNode = function(wlxmlNode) {
+    var nodeElement = this.getNodeElement(wlxmlNode);
+    if(!this.gridToggled) {
+        nodeElement.removeClass('rng-common-hoveredNode');
+        nodeElement.find('.rng-module-documentCanvas-hoveredNodeTag').remove();
+    }
+};
+
+Manager.prototype.selectFirstNode = function() {
+    var firstNodeWithText = this.canvas.dom.find('[wlxml-tag]').filter(function() {
+        return $(this).clone().children().remove().end().text().trim() !== '';
+    }).first();
+    var node;
+    if(firstNodeWithText.length)
+        node = $(firstNodeWithText[0])
+    else {
+        node = this.canvas.dom.find('[wlxml-class|="p"]')
+    }
+    this.selectNode(new wlxmlNode.Node(node), {movecaret: true});
+};
+
+Manager.prototype.movecaretToNode = function(nodeElement) {
+    var range = document.createRange();
+    range.selectNodeContents(nodeElement[0]);
+    range.collapse(false);
+    var selection = document.getSelection();
+    selection.removeAllRanges()
+    selection.addRange(range);
+};
+
+Manager.prototype.toggleGrid =  function(toggle) {
+    this.canvas.dom.find('[wlxml-tag]').toggleClass('rng-common-hoveredNode', toggle);
+    this.gridToggled = toggle;
+};
+
+return Manager;
+    
+});
\ No newline at end of file
diff --git a/modules/documentCanvas/documentCanvas.js b/modules/documentCanvas/documentCanvas.js
index 1577be0..6030703 100644
--- a/modules/documentCanvas/documentCanvas.js
+++ b/modules/documentCanvas/documentCanvas.js
@@ -4,89 +4,21 @@ define([
 'libs/underscore-min',
 './transformations', 
 './wlxmlNode',
-'libs/text!./template.html'], function(_, transformations, wlxmlNode, template) {
+'./canvas',
+'./canvasManager',
+'libs/text!./template.html'], function(_, transformations, wlxmlNode, Canvas, CanvasManager, template) {
 
 'use strict';
 
 return function(sandbox) {
 
-    var view = {
-        node: $(_.template(template)()),
-        currentNode: null,
-        shownAlready: false,
-        scrollbarPosition: 0,
-        setup: function() {
-            var view = this;
-
-            this.node.find('#rng-module-documentCanvas-content').on('keyup', function() {
-                //isDirty = true;
-                sandbox.publish('contentChanged');
-            });
+    var canvas = new Canvas.Canvas();
+    
+    var manager = new CanvasManager(canvas, sandbox);
+    
 
-            this.node.on('mouseover', '[wlxml-tag]', function(e) {
-                e.stopPropagation();
-                sandbox.publish('nodeHovered', new wlxmlNode.Node($(e.target)));
-            });
-            this.node.on('mouseout', '[wlxml-tag]', function(e) {
-                e.stopPropagation();
-                sandbox.publish('nodeBlured', new wlxmlNode.Node($(e.target)));
-            });
-            this.node.on('click', '[wlxml-tag]', function(e) {
-                e.stopPropagation();
-                console.log('clicked node type: '+e.target.nodeType);
-                view.selectNode(new wlxmlNode.Node($(e.target)));
-            });
+    var view = {
 
-            this.node.on('keyup', '#rng-module-documentCanvas-contentWrapper', function(e) {
-                var anchor = $(window.getSelection().anchorNode);
-                if(anchor[0].nodeType === Node.TEXT_NODE)
-                    anchor = anchor.parent();
-                if(!anchor.is('[wlxml-tag]'))
-                    return;
-                view.selectNode(new wlxmlNode.Node(anchor));
-            });
-            
-            this.node.on('keydown', '#rng-module-documentCanvas-contentWrapper', function(e) {
-                if(e.which === 13) { 
-                    e.preventDefault();
-                    view.insertNewNode(null, null);
-                }
-                if(e.which === 8) {
-                    var anchor = window.getSelection().anchorNode;
-                    var len = anchor.length;
-                    console.log(len);
-                    if(len === 1) {
-                        e.preventDefault();
-                        $(anchor).parent().text('');
-                    }
-                }
-            });
-                      
-            this.node.onShow = function() {
-                if(!view.shownAlready) {
-                    view.shownAlready = true;
-                    view.selectFirstNode();
-                } else if(view.currentNode) {
-                    view.movecaretToNode(view.getNodeElement(view.currentNode));
-                    view.node.find('#rng-module-documentCanvas-contentWrapper').scrollTop(view.scrollbarPosition);
-                }
-            };
-            this.node.onHide = function() {
-                view.scrollbarPosition = view.node.find('#rng-module-documentCanvas-contentWrapper').scrollTop();
-            }
-                      
-            this.gridToggled = false;
-        },
-        _createNode: function(wlxmlTag, wlxmlClass) {
-            var toBlock = ['div', 'document', 'section', 'header'];
-            var htmlTag = _.contains(toBlock, wlxmlTag) ? 'div' : 'span';
-            var toret = $('<' + htmlTag + '>');
-            toret.attr('wlxml-tag', wlxmlTag);
-            if(wlxmlClass)
-                toret.attr('wlxml-class', wlxmlClass);
-            toret.attr('id', 'xxxxxxxx-xxxx-xxxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {var r = Math.random()*16|0,v=c=='x'?r:r&0x3|0x8;return v.toString(16);}));
-            return toret;
-        },
         insertNewNode: function(wlxmlTag, wlxmlClass) {
             //TODO: Insert inline
             var anchor = $(window.getSelection().anchorNode);
@@ -167,116 +99,48 @@ return function(sandbox) {
                 //isDirty = true;
                 sandbox.publish('contentChanged');
             }
-        },
-        setBody: function(HTMLTree) {
-            this.node.find('#rng-module-documentCanvas-content').html(HTMLTree);
-        },
-        getBody: function() {
-            return this.node.find('#rng-module-documentCanvas-content').html();
-        }, 
-        selectNode: function(wlxmlNode, options) {
-            options = options || {};
-            var nodeElement = this.getNodeElement(wlxmlNode)
-            
-            this.dimNode(wlxmlNode);
-            
-            this.node.find('.rng-module-documentCanvas-currentNode').removeClass('rng-module-documentCanvas-currentNode');
-            nodeElement.addClass('rng-module-documentCanvas-currentNode');
-             
-            if(options.movecaret) {
-                this.movecaretToNode(nodeElement);
-            }
-            
-            this.currentNode = wlxmlNode;
-            sandbox.publish('nodeSelected', wlxmlNode);
-        },
-        highlightNode: function(wlxmlNode) {
-            var nodeElement = this.getNodeElement(wlxmlNode);
-            if(!this.gridToggled) {
-                nodeElement.addClass('rng-common-hoveredNode');
-                var label = nodeElement.attr('wlxml-tag');
-                if(nodeElement.attr('wlxml-class'))
-                    label += ' / ' + nodeElement.attr('wlxml-class');
-                var tag = $('<div>').addClass('rng-module-documentCanvas-hoveredNodeTag').text(label);
-                nodeElement.append(tag);
-            }
-        },
-        dimNode: function(wlxmlNode) {
-            var nodeElement = this.getNodeElement(wlxmlNode);
-            if(!this.gridToggled) {
-                nodeElement.removeClass('rng-common-hoveredNode');
-                nodeElement.find('.rng-module-documentCanvas-hoveredNodeTag').remove();
-            }
-        },
-        selectFirstNode: function() {
-            var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {
-                return $(this).clone().children().remove().end().text().trim() !== '';
-            }).first();
-            var node;
-            if(firstNodeWithText.length)
-                node = $(firstNodeWithText[0])
-            else {
-                node = this.node.find('[wlxml-class|="p"]')
-            }
-            this.selectNode(new wlxmlNode.Node(node), {movecaret: true});
-        },
-        toggleGrid: function(toggle) {
-            this.node.find('[wlxml-tag]').toggleClass('rng-common-hoveredNode', toggle);
-            this.gridToggled = toggle;
-        },
-        getNodeElement: function(wlxmlNode) {
-            return this.node.find('#'+wlxmlNode.id);
-        },
-        movecaretToNode: function(nodeElement) {
-            var range = document.createRange();
-            range.selectNodeContents(nodeElement[0]);
-            range.collapse(false);
-            var selection = document.getSelection();
-            selection.removeAllRanges()
-            selection.addRange(range);
         }
+
     };
     
-    view.setup();
 
     /* public api */
     return {
         start: function() { sandbox.publish('ready'); },
         getView: function() { 
-            return view.node;
+            return canvas.dom;
         },
         setDocument: function(xml) {
-            var transformed = transformations.fromXML.getDocumentDescription(xml);
-            view.setBody(transformed.HTMLTree);
+            canvas.setXML(xml);
             sandbox.publish('documentSet');
         },
         getDocument: function() {
-            return transformations.toXML.getXML(view.getBody());
+            return canvas.toXML();
         },
         modifyCurrentNode: function(attr, value) {
-            if(view.currentNode) {
-                view.getNodeElement(view.currentNode).attr('wlxml-'+attr, value);
+            if(manager.currentNode) {
+                manager.getNodeElement(manager.currentNode).attr('wlxml-'+attr, value);
                 sandbox.publish('contentChanged');
             }
         },
         highlightNode: function(wlxmlNode) {
-            view.highlightNode(wlxmlNode);
+            manager.highlightNode(wlxmlNode);
         },
         dimNode: function(wlxmlNode) {
-            view.dimNode(wlxmlNode);
+            manager.dimNode(wlxmlNode);
         },
         selectNode: function(wlxmlNode) {
-            if(!wlxmlNode.is(view.currentNode))
-                view.selectNode(wlxmlNode, {movecaret: true});
+            if(!wlxmlNode.is(manager.currentNode))
+                manager.selectNode(wlxmlNode, {movecaret: true});
         },
         toggleGrid: function(toggle) {
-            view.toggleGrid(toggle);
+            manager.toggleGrid(toggle);
         },
         insertNewNode: function(wlxmlTag, wlxmlClass) {
-            view.insertNewNode(wlxmlTag, wlxmlClass);
+            manager.insertNewNode(wlxmlTag, wlxmlClass);
         },
         wrapSelectionWithNewNode: function(wlxmlTag, wlxmlClass) {
-            view.wrapSelectionWithNewNode(wlxmlTag, wlxmlClass);
+            manager.wrapSelectionWithNewNode(wlxmlTag, wlxmlClass);
         }
     }
     
-- 
2.20.1