editor: plugins/core support for Node.object.describesParent
[fnpeditor.git] / src / editor / plugins / core / core.js
index d0a376d..c12405b 100644 (file)
@@ -9,7 +9,9 @@ var _ = require('libs/underscore'),
     switchTo = require('plugins/core/switch'),
     lists = require('plugins/core/lists'),
     plugin = {name: 'core', actions: [], canvas: {}, documentExtension: {textNode: {}}},
-    Dialog = require('views/dialog/dialog');
+    Dialog = require('views/dialog/dialog'),
+    canvasElements = require('plugins/core/canvasElements');
+
 
 
 plugin.documentExtension.textNode.transformations = {
@@ -24,6 +26,14 @@ plugin.documentExtension.textNode.transformations = {
                     return true; // break
                 }
             });
+            newNodes.second.contents()
+                .filter(function(child) {
+                    return child.object.describesParent;
+                })
+                .forEach(function(child) {
+                    //child.detach();
+                    newNodes.first.append(child);
+                });
             return _.extend(newNodes, {emptyText: emptyText});
         },
         getChangeRoot: function() {
@@ -31,15 +41,37 @@ plugin.documentExtension.textNode.transformations = {
         }
     },
     mergeContentUp: function() {
-        var myPrev = this.prev(),
+        /* globals Node */
+        var myPrev = this,
+            base = this,
             ret;
 
-        if(myPrev) {
-            ret = myPrev.append(this);
+        if(myPrev.nodeType === Node.TEXT_NODE) {
+            if(myPrev.getIndex() > 0) {
+                return;
+            }
+            myPrev = base = myPrev.parent();
+        }
+
+        myPrev = myPrev && myPrev.prev();
+
+        if(myPrev && myPrev.nodeType === Node.ELEMENT_NODE)  {
+            var ptr = this,
+                next;
+            while(ptr) {
+                next = ptr.next();
+                if(!ret) {
+                    ret = myPrev.append(ptr);
+                } else {
+                    myPrev.append(ptr);
+                }
+                
+                ptr = next;
+            }
+            if(base !== this) {
+                base.detach();
+            }
             return {node: ret, offset: ret.sameNode(this) ? null : ret.getText().length - this.getText().length};
-        } else {
-            var range = this.parent().unwrapContent();
-            return {node: range.element1, offset: 0};
         }
     }
 };
@@ -54,14 +86,31 @@ var undoRedoAction = function(dir) {
             label: dir === 'undo' ? '<-' : '->',
             icon: 'share-alt',
             iconStyle: dir === 'undo' ? '-webkit-transform: scale(-1,1); transform: scale(-1, 1)' : '',
-            execute: function(params) {
+            execute: function(callback, params) {
+                var metadata = _.last(params.document[dir+'Stack']).metadata,
+                    fragment = metadata && metadata.fragment;
                 params.document[dir]();
+                if(fragment) {
+                    if(!fragment.isValid()) {
+                        fragment.restoreFromPaths();
+                    }
+                    if(fragment.isValid()) {
+                        callback(fragment);
+                    }
+                }
+                callback();
             },
         },
         getState: function(params) {
             var allowed = params.document && !!(params.document[dir+'Stack'].length),
                 desc = dir === 'undo' ? gettext('Undo') : gettext('Redo'),
                 descEmpty = dir === 'undo' ? gettext('There is nothing to undo') : gettext('There is nothing to redo');
+            if(allowed) {
+                var metadata = _.last(params.document[dir+'Stack']).metadata;
+                if(metadata) {
+                    desc += ': ' + (metadata.description || gettext('unknown operation'));
+                }
+            }
             return {
                 allowed: allowed,
                 description: allowed ? desc : descEmpty
@@ -84,9 +133,10 @@ var commentAction = {
     },
     stateDefaults: {
         icon: 'comment',
-        execute: function(params, editor) {
+        execute: function(callback, params, editor) {
             /* globals Node */
-            var node = params.fragment.node;
+            var node = params.fragment.node,
+                action = this;
             if(node.nodeType === Node.TEXT_NODE) {
                 node = node.parent();
             }
@@ -114,6 +164,11 @@ var commentAction = {
                 var metadata = comment.getMetadata();
                 metadata.add({key: 'creator', value: creator});
                 metadata.add({key: 'date', value: dt});
+            }, {
+                metadata: {
+                    description: action.getState().description
+                },
+                success: callback
             });
         },
     },
@@ -123,7 +178,7 @@ var commentAction = {
                         params.fragment instanceof params.fragment.NodeFragment && !params.fragment.node.isRoot()
         };
         if(state.allowed) {
-            state.description = gettext('Insert comment after current node');
+            state.description = gettext('Insert comment');
         }
         return state;
     }
@@ -142,65 +197,127 @@ var createWrapTextAction = function(createParams) {
                 },
                 parent;
             
-            if(
-                !params.fragment || !params.fragment.isValid() ||
-                !(params.fragment instanceof params.fragment.TextRangeFragment) ||
-                !params.fragment.hasSiblingBoundries()) {
-                    return _.extend(state, {allowed: false});
-            }
-            
-            parent = params.fragment.startNode.parent();
-            if(parent && parent.is(createParams.klass) || parent.isInside(createParams.klass)) {
+            if(!params.fragment || !params.fragment.isValid()) {
                 return _.extend(state, {allowed: false});
             }
 
-            return _.extend(state, {
-                allowed: true,
-                execute: function(params) {
-                    params.fragment.document.transaction(function() {
-                        var parent = params.fragment.startNode.parent();
-                        return parent.wrapText({
-                            _with: {tagName: 'span', attrs: {'class': createParams.klass}},
-                            offsetStart: params.fragment.startOffset,
-                            offsetEnd: params.fragment.endOffset,
-                            textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
+            if(params.fragment instanceof params.fragment.CaretFragment && params.fragment.node.isInside(createParams.klass)) {
+                return _.extend(state, {
+                    allowed: true,
+                    toggled: true,
+                    description: createParams.unwrapDescription,
+                    execute: function(callback, params) {
+                        var node = params.fragment.node,
+                            doc = node.document,
+                            toRemove = node.getParent(createParams.klass),
+                            prefLen = 0;
+
+                        if(node.sameNode(toRemove.contents()[0]) && toRemove.isPrecededByTextNode()) {
+                            prefLen = toRemove.prev().getText().length;
+                        }
+
+                        doc.transaction(function() {
+                            var ret = toRemove.unwrapContent(),
+                                newFragment = params.fragment;
+                            if(!newFragment.isValid()) {
+                                newFragment =  doc.createFragment(doc.CaretFragment, {
+                                    node: ret.element1,
+                                    offset: prefLen + params.fragment.offset
+                                });
+                            }
+                            return newFragment;
+                        }, {
+                            metadata: {
+                                description: createParams.unwrapDescription,
+                                fragment: params.fragment
+                            },
+                            success: callback
                         });
-                    });
+                    }
+                });
+            }
+
+            if(params.fragment instanceof params.fragment.TextRangeFragment && params.fragment.hasSiblingBoundries()) {
+                parent = params.fragment.startNode.parent();
+                if(parent && parent.is(createParams.klass) || parent.isInside(createParams.klass)) {
+                    return _.extend(state, {allowed: false});
                 }
-            });
+
+                return _.extend(state, {
+                    allowed: true,
+                    description: createParams.wrapDescription,
+                    execute: function(callback, params) {
+                        params.fragment.document.transaction(function() {
+                            var parent = params.fragment.startNode.parent(),
+                                doc = params.fragment.document,
+                                wrapper, lastTextNode;
+                            
+                            wrapper = parent.wrapText({
+                                _with: {tagName: 'span', attrs: {'class': createParams.klass}},
+                                offsetStart: params.fragment.startOffset,
+                                offsetEnd: params.fragment.endOffset,
+                                textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
+                            });
+                                
+                            lastTextNode = wrapper.getLastTextNode();
+                            if(lastTextNode) {
+                                return doc.createFragment(doc.CaretFragment, {node: lastTextNode, offset: lastTextNode.getText().length});
+                            }
+                        }, {
+                            metadata: {
+                                description: createParams.wrapDescription,
+                                fragment: params.fragment
+                            },
+                            success: callback
+                        });
+                    }
+                });
+            }
+            return _.extend(state, {allowed: false});
         }
     };
 };
 
 
-var createLinkFromSelection = function(params) {
+var createLinkFromSelection = function(callback, params) {
     var doc = params.fragment.document,
         dialog = Dialog.create({
             title: gettext('Create link'),
             executeButtonText: gettext('Apply'),
             cancelButtonText: gettext('Cancel'),
             fields: [
-                {label: gettext('Link'), name: 'href', type: 'input'}
+                {label: gettext('Link'), name: 'href', type: 'input',
+                prePasteHandler: function(text) {
+                                    return params.fragment.document.getLinkForUrl(text);
+                                }.bind(this)
+                }
             ]
-        });
+        }),
+        action = this;
     
     dialog.on('execute', function(event) {
         doc.transaction(function() {
-            var span =  params.fragment.startNode.parent().wrapText({
-                _with: {tagName: 'span', attrs: {'class': 'link'}},
+            var span =  action.params.fragment.startNode.parent().wrapText({
+                _with: {tagName: 'span', attrs: {'class': 'link', href: event.formData.href }},
                 offsetStart: params.fragment.startOffset,
                 offsetEnd: params.fragment.endOffset,
                 textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
-            });
-            span.setAttr('href', event.formData.href);
+            }),
+                doc = params.fragment.document;
             event.success();
-            return span;
+            return doc.createFragment(doc.CaretFragment, {node: span.contents()[0], offset:0});
+        }, {
+            metadata: {
+                description: action.getState().description,
+                fragment: params.fragment
+            },
+            success: callback
         });
     });
     dialog.show();
 };
 
-var editLink = function(params) {
+var editLink = function(callback, params) {
     var doc = params.fragment.document,
         link = params.fragment.node.getParent('link'),
         dialog = Dialog.create({
@@ -210,12 +327,20 @@ var editLink = function(params) {
             fields: [
                 {label: gettext('Link'), name: 'href', type: 'input', initialValue: link.getAttr('href')}
             ]
-        });
+        }),
+        action = this;
     
     dialog.on('execute', function(event) {
         doc.transaction(function() {
             link.setAttr('href', event.formData.href);
             event.success();
+            return params.fragment;
+        }, {
+            metadata: {
+                description: action.getState().description,
+                fragment: params.fragment
+            },
+            success: callback
         });
     });
     dialog.show();
@@ -247,7 +372,12 @@ var linkAction = {
 
         if(params.fragment instanceof params.fragment.CaretFragment) {
             if(params.fragment.node.isInside('link')) {
-                return {allowed: true, toggled: true, execute: editLink};
+                return {
+                    allowed: true,
+                    toggled: true,
+                    description: gettext('Edit link'),
+                    execute: editLink
+                };
             }
         }
         return {allowed: false};
@@ -259,8 +389,8 @@ plugin.actions = [
     undoRedoAction('undo'),
     undoRedoAction('redo'),
     commentAction,
-    createWrapTextAction({name: 'emphasis', klass: 'emp'}),
-    createWrapTextAction({name: 'cite', klass: 'cite'}),
+    createWrapTextAction({name: 'emphasis', klass: 'emp', wrapDescription: gettext('Mark as emphasized'), unwrapDescription: gettext('Remove emphasis')}),
+    createWrapTextAction({name: 'cite', klass: 'cite', wrapDescription: gettext('Mark as citation'), unwrapDescription: gettext('Remove citation')}),
     linkAction
 ].concat(plugin.actions, templates.actions, footnote.actions, switchTo.actions, lists.actions);
 
@@ -271,6 +401,8 @@ plugin.config = function(config) {
     templates.actions[0].params.template.options = config.templates;
 };
 
+plugin.canvasElements = canvasElements;
+
 return plugin;
 
 });
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