X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/d66f1a1652583c7b5dc4f29062e1ab459b90e91b..86ecf0f60182c63eecb45c7cc836fe5a050d8d8a:/modules/documentCanvas/canvasManager.js

diff --git a/modules/documentCanvas/canvasManager.js b/modules/documentCanvas/canvasManager.js
index 81415d1..edb599c 100644
--- a/modules/documentCanvas/canvasManager.js
+++ b/modules/documentCanvas/canvasManager.js
@@ -1,162 +1,258 @@
-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();
-            manager.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;
-};
-
-Manager.prototype.insertNewNode = function(wlxmlTag, wlxmlClass) {
-    //TODO: Insert inline
-    var anchor = $(window.getSelection().anchorNode);
-    var anchorOffset = window.getSelection().anchorOffset;
-    
-    var parent = anchor.parent();
-    var idx = parent.contents().index(anchor);
-    
-    if(anchorOffset < anchor.text().length) {
-        var newNode = this.canvas.splitNode({node: {id: parent.attr('id')}, textNodeIdx: idx, offset: anchorOffset});
-        this.selectNode(new wlxmlNode.Node(newNode), {movecaret: true});
-    }
-
-    
-    
-    this.sandbox.publish('contentChanged');
-};
-
-return Manager;
-    
+define([
+'libs/jquery-1.9.1.min',
+'./canvasNode'
+], function($, canvasNode) {
+
+'use strict';
+
+var getCursorPosition = function() {
+    var selection = window.getSelection();
+    var anchorNode = $(selection.anchorNode);
+    var parent = anchorNode.parent();
+    return {
+        textNode: anchorNode,
+        textNodeOffset: selection.anchorOffset,
+        textNodeIndex: parent.contents().index(anchorNode),
+        parentNode: parent,
+        focusNode: $(selection.focusNode).parent(),
+        isAtEnd: selection.anchorOffset === anchorNode.text().length
+    };
+};
+
+var Manager = function(canvas, sandbox) {
+    this.canvas = canvas;
+    this.sandbox = sandbox;
+    this.shownAlready = false;
+    this.gridToggled = false;
+    this.scrollbarPosition = 0;
+    this.currentNode = null;
+    var manager = this;
+        
+    canvas.dom.find('#rng-module-documentCanvas-content').on('keyup', function() {
+        manager.sandbox.publish('contentChanged');
+    });
+
+    canvas.dom.on('mouseover', '[wlxml-tag]', function(e) {
+        e.stopPropagation();
+        manager.sandbox.publish('nodeHovered', canvasNode.create($(e.target)));
+    });
+    canvas.dom.on('mouseout', '[wlxml-tag]', function(e) {
+        e.stopPropagation();
+        manager.sandbox.publish('nodeBlured', canvasNode.create($(e.target)));
+    });
+    canvas.dom.on('click', '[wlxml-tag]', function(e) {
+        e.stopPropagation();
+        console.log('clicked node type: '+e.target.nodeType);
+        manager.selectNode(canvasNode.create($(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(canvasNode.create(anchor));
+    });
+    
+    canvas.dom.on('keydown', '#rng-module-documentCanvas-contentWrapper', function(e) {
+        if(e.which === 13) { 
+            manager.onEnterKey(e);
+        }
+        if(e.which === 8) {
+            manager.onBackspaceKey(e);
+        }
+    });
+              
+    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(cnode, options) {
+    options = options || {};
+    var nodeElement = this.getNodeElement(cnode);
+    
+    this.dimNode(cnode);
+    
+    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, options.movecaret);
+    }
+    
+    this.currentNode = cnode;
+    this.sandbox.publish('nodeSelected', cnode);
+};
+
+Manager.prototype.insertNewNode = function(wlxmlTag, wlxmlClass) {
+    var selection = window.getSelection(),
+        $anchorNode = $(selection.anchorNode),
+        $focusNode = $(selection.focusNode);
+        
+        
+    if(!selection.isCollapsed && $anchorNode.parent()[0] === $focusNode.parent()[0]) {
+        var textNodeIdx,
+            parent = $anchorNode.parent(),
+            parentContents = parent.contents(),
+            offsetStart = selection.anchorOffset,
+            offsetEnd = selection.focusOffset;
+        
+        if(selection.anchorNode === selection.focusNode) {
+            if(offsetStart > offsetEnd) {
+                var tmp = offsetStart;
+                offsetStart = offsetEnd;
+                offsetEnd = tmp;
+            }
+            textNodeIdx = parentContents.index($anchorNode);
+        } else {
+            if(parentContents.index($anchorNode) > parentContents.index($focusNode)) {
+                offsetStart = selection.focusOffset;
+                offsetEnd = selection.anchorOffset;
+            }
+            textNodeIdx = [parentContents.index($anchorNode), parentContents.index($focusNode)];
+        }
+        
+        var wrapper = canvasNode.create({tag: wlxmlTag, klass: wlxmlClass});
+        this.canvas.nodeWrap({inside: canvasNode.create(parent),
+                              _with: wrapper,
+                              offsetStart: offsetStart,
+                              offsetEnd: offsetEnd,
+                              textNodeIdx: textNodeIdx
+                            });
+        this.selectNode(wrapper, {movecaret: 'end'});
+    }
+    
+    
+};
+
+Manager.prototype.getNodeElement = function(cnode) {
+    return this.canvas.dom.find('#'+cnode.getId());
+};
+
+Manager.prototype.highlightNode = function(cnode) {
+    var nodeElement = this.getNodeElement(cnode);
+    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(cnode) {
+    var nodeElement = this.getNodeElement(cnode);
+    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(canvasNode.create(node), {movecaret: true});
+};
+
+Manager.prototype.movecaretToNode = function(nodeElement, where) {
+    if(!nodeElement.length)
+        return;
+    var range = document.createRange();
+    range.selectNodeContents(nodeElement[0]);
+    
+    var collapseArg = true;
+    if(where === 'end')
+        collapseArg = false;
+    range.collapse(collapseArg);
+    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;
+};
+
+Manager.prototype.onEnterKey = function(e) {
+    e.preventDefault();
+    var pos = getCursorPosition();
+    var contextNode = this.canvas.getNodeById(pos.parentNode.attr('id'));
+    var newNode;
+
+    if(pos.isAtEnd) {
+        newNode = canvasNode.create({tag: pos.parentNode.attr('wlxml-tag'), klass: pos.parentNode.attr('wlxml-class')});
+        this.canvas.nodeInsertAfter({node: newNode, after: this.canvas.getNodeById(pos.parentNode.attr('id'))});
+    } else {
+        newNode = this.canvas.nodeSplit({node: contextNode, textNodeIdx: pos.textNodeIndex, offset: pos.textNodeOffset});
+    }
+    if(newNode)
+        this.selectNode(newNode, {movecaret: true});
+    this.sandbox.publish('contentChanged');
+};
+
+Manager.prototype.onBackspaceKey = function(e) {
+    var pos = getCursorPosition();
+    var len = pos.textNode.text().length;
+    if(len === 1) {
+        // Prevent deleting node by browser after last character removed;
+        e.preventDefault();
+        pos.parentNode.text('');
+    }
+    if(len === 0) {
+        e.preventDefault();
+        var toRemove = canvasNode.create(pos.textNode);
+        var prevNode = this.canvas.getPrecedingNode({node:toRemove});
+        this.canvas.nodeRemove({node: toRemove}); // jesli nie ma tekstu, to anchor nie jest tex nodem
+        this.selectNode(prevNode, {movecaret: 'end'});
+    }
+};
+
+Manager.prototype.command = function(command, meta) {
+    var pos = getCursorPosition();
+    
+    if(command === 'createList') {
+        var node = canvasNode.create(pos.parentNode);
+        if(window.getSelection().getRangeAt(0).collapsed && this.canvas.nodeInsideList({node: node})) {
+            this.canvas.listRemove({pointer: node});
+            this.selectNode(node, {movecaret: 'end'});
+            this.sandbox.publish('contentChanged');
+        }
+        else {
+            //if(!this.canvas.nodeInsideList({node: node})) {
+                this.canvas.listCreate({start: node, end: canvasNode.create(pos.focusNode), type: meta});
+                this.selectNode(node, {movecaret: 'end'});
+                this.sandbox.publish('contentChanged');
+            //}
+        }
+    } else if(command === 'unwrap-node') {
+        this.canvas.nodeUnwrap({node: canvasNode.create(pos.parentNode)});
+        this.sandbox.publish('contentChanged');
+    }
+
+};
+
+
+return Manager;
+    
 });
\ No newline at end of file