define(function(require) {
'use strict';
+/* globals gettext */
var _ = require('libs/underscore'),
- plugin = {documentExtension: {textNode: {}}};
+ templates = require('plugins/core/templates'),
+ footnote = require('plugins/core/footnote'),
+ switchTo = require('plugins/core/switch'),
+ lists = require('plugins/core/lists'),
+ plugin = {name: 'core', actions: [], canvas: {}, documentExtension: {textNode: {}, documentNode: {}}},
+ Dialog = require('views/dialog/dialog'),
+ canvasElements = require('plugins/core/canvasElements'),
+ metadataEditor = require('plugins/core/metadataEditor/metadataEditor'),
+ edumed = require('plugins/core/edumed/edumed'),
+ attachments = require('views/attachments/attachments');
+
+
+var exerciseFix = function(newNodes) {
+ var list, exercise, max, addedItem, answerValues;
+ if(newNodes.created.is('item')) {
+ list = newNodes.created.parent();
+ exercise = list.parent();
+ if(exercise && exercise.is('exercise')) {
+ if(exercise.is('exercise.order')) {
+ answerValues = exercise.object.getItems()
+ .map(function(item) {
+ if(!addedItem && item.node.sameNode(newNodes.created)) {
+ addedItem = item;
+ }
+ return item.getAnswer();
+ });
+ max = Math.max.apply(Math.max, answerValues);
+ addedItem.setAnswer(max + 1);
+ }
+ }
+ }
+};
+
plugin.documentExtension.textNode.transformations = {
breakContent: {
impl: function(args) {
var node = this,
+ isSpan = node.parent().getTagName() === 'span',
+ parentDescribingNodes = [],
newNodes, emptyText;
newNodes = node.split({offset: args.offset});
+ newNodes.second.contents()
+ .filter(function(child) {
+ return child.object.describesParent;
+ })
+ .forEach(function(child) {
+ //child.detach();
+ parentDescribingNodes.push(child);
+ child.detach();
+ });
[newNodes.first, newNodes.second].some(function(newNode) {
if(!(newNode.contents().length)) {
emptyText = newNode.append({text: ''});
return true; // break
}
});
+
+ /* <hack>
+ /*
+ This makes sure that adding a new item to the list in some of the edumed exercises
+ sets an answer attribute that makes sense (and not just copies it which would create
+ a duplicate value).
+
+ This won't be neccessary when/if we introduce canvas element own key event handlers.
+
+ Alternatively, WLXML elements could implement their own item split methods that we
+ would delegate to.
+ */
+ exerciseFix(newNodes);
+ /* </hack> */
+
+ parentDescribingNodes.forEach(function(node) {
+ newNodes.first.append(node);
+ });
+
+ var parent, newNode;
+
+ var copyNode = function(n) {
+ var attrs = {};
+ n.getAttrs().forEach(function(attr) {
+ attrs[attr.name] = attr.value;
+ });
+
+ return node.document.createDocumentNode({
+ tagName: n.getTagName(),
+ attrs: attrs
+ });
+ };
+
+ var move = function(node, to) {
+ var copy;
+ if(!node.containsNode(newNodes.second)) {
+ to.append(node);
+ return false;
+ } else {
+ if(!node.sameNode(newNodes.second)) {
+ copy = to.append(copyNode(node));
+ node.contents().some(function(n) {
+ return move(n, copy);
+ });
+ }
+ return true;
+ }
+ };
+
+ if(isSpan) {
+ newNodes.first.parents().some(function(p) {
+ if(p.getTagName() !== 'span') {
+ parent = p;
+ return true;
+ }
+ });
+ newNode = parent.before({tagName: parent.getTagName(), attrs: {'class': parent.getClass()}});
+ parent.contents().some(function(n) {
+ return move(n, newNode);
+ });
+ }
+
return _.extend(newNodes, {emptyText: emptyText});
+ }
+ },
+ mergeContentUp: function() {
+ /* globals Node */
+ var myPrev = this,
+ base = this,
+ ret;
+
+ 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};
+ }
+ }
+};
+
+plugin.documentExtension.documentNode.transformations = {
+ moveUp: function() {
+ var toMerge = this,
+ prev = toMerge.prev();
+
+ var merge = function(from, to) {
+ var toret;
+ from.contents().forEach(function(node, idx) {
+ var len, ret;
+ if(idx === 0 && node.nodeType === Node.TEXT_NODE) {
+ len = node.getText().length;
+ }
+ ret = to.append(node);
+
+ if(idx === 0 && ret.nodeType === Node.TEXT_NODE) {
+ toret = {
+ node: ret,
+ offset: ret.getText().length - len
+ };
+ } else if(!toret) {
+ toret = {
+ node: ret.getFirstTextNode(),
+ offset: 0
+ };
+ }
+ });
+ from.detach();
+ return toret;
+ };
+
+ var strategies = [
+ {
+ applies: function() {
+ return toMerge.nodeType === Node.TEXT_NODE && prev.is({tagName: 'span'});
+ },
+ run: function() {
+ var textNode = prev.getLastTextNode(),
+ txt, prevText, prevTextLen;
+ if(textNode) {
+ txt = textNode.getText();
+ if(txt.length > 1) {
+ textNode.setText(txt.substr(0, txt.length-1));
+ return {node: toMerge, offset: 0};
+ } else {
+ if((prevText = prev.prev()) && prevText.nodeType === Node.TEXT_NODE) {
+ prevTextLen = prevText.getText().length;
+ }
+ prev.detach();
+ return {
+ node: prevText ? prevText : toMerge,
+ offset : prevText ? prevTextLen : 0
+ };
+ }
+ }
+ }
+ },
+ {
+ applies: function() {
+ return toMerge.is({tagName: 'div', 'klass': 'p'}) || (toMerge.is({tagName: 'div'}) && toMerge.getClass() === '');
+ },
+ run: function() {
+ if(prev && (prev.is('p') || prev.is({tagName: 'header'}))) {
+ return merge(toMerge, prev);
+ }
+ if(prev && prev.is('list')) {
+ var items = prev.contents().filter(function(n) { return n.is('item');});
+ return merge(toMerge, items[items.length-1]);
+ }
+ }
+ },
+ {
+ applies: function() {
+ return toMerge.is({tagName: 'span'});
+ },
+ run: function() {
+ /* globals Node */
+ var toret = {node: toMerge.contents()[0] , offset: 0},
+ txt, txtNode, parent;
+ if(!prev) {
+ toMerge.parents().some(function(p) {
+ if(p.is({tagName: 'span'})) {
+ parent = prev = p;
+ } else {
+ if(!parent) {
+ parent = p;
+ }
+ prev = prev && prev.prev();
+ return true;
+ }
+ });
+ }
+ if(!prev) {
+ return parent.moveUp();
+ }
+ else if(prev.nodeType === Node.TEXT_NODE && (txt = prev.getText())) {
+ prev.setText(txt.substr(0, txt.length-1));
+ return toret;
+ } else if(prev.is({tagName: 'span'})) {
+ if((txtNode = prev.getLastTextNode())) {
+ txt = txtNode.getText();
+ if(txt.length > 1) {
+ txtNode.setText(txt.substr(0, txt.length-1));
+ } else {
+ if(txtNode.parent().contents().length === 1) {
+ txtNode.parent().detach();
+ } else {
+ txtNode.detach();
+ }
+
+ }
+ return toret;
+ }
+ }
+
+ }
+ },
+ {
+ applies: function() {
+ return toMerge.is({tagName: 'header'});
+ },
+ run: function() {
+ if(prev && prev.is('p') || prev.is({tagName: 'header'})) {
+ return merge(toMerge, prev);
+ }
+ }
+ },
+ {
+ applies: function() {
+ return toMerge.is('item');
+ },
+ run: function() {
+ var list;
+ if(prev && prev.is('item')) {
+ return merge(toMerge, prev);
+ } else if(!prev && (list = toMerge.parent()) && list.is('list')) {
+ list.before(toMerge);
+ toMerge.setClass('p');
+ if(!list.contents().length) {
+ list.detach();
+ }
+ return {node: toMerge.contents()[0], offset:0};
+ }
+ }
+ }
+ ];
+
+ var toret;
+ strategies.some(function(strategy) {
+ if(strategy.applies()) {
+ toret = strategy.run();
+ return true;
+ }
+ });
+ return toret;
+ },
+ insertNewNode: function () {
+ var node = this;
+ var newElement = this.document.createDocumentNode({tagName: 'div', attrs: {class: 'p'}});
+ node.after(newElement);
+ newElement.append({text: ''});
+ return newElement;
+ }
+};
+
+var undoRedoAction = function(dir) {
+ return {
+ name: dir,
+ params: {
+ document: {type: 'context', name: 'document'},
+ },
+ stateDefaults: {
+ label: dir === 'undo' ? '<-' : '->',
+ icon: 'share-alt',
+ iconStyle: dir === 'undo' ? '-webkit-transform: scale(-1,1); transform: scale(-1, 1)' : '',
+ 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();
+ },
},
- getChangeRoot: function() {
- return this.context.parent().parent();
+ 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
+ };
}
+ };
+};
+
+var pad = function(number) {
+ if(number < 10) {
+ number = '0' + number;
+ }
+ return number;
+};
+
+var commentAction = {
+ name: 'comment',
+ params: {
+ fragment: {type: 'context', name: 'fragment'}
+ },
+ stateDefaults: {
+ icon: 'comment',
+ execute: function(callback, params, editor) {
+ /* globals Node */
+ var node = params.fragment.node,
+ action = this;
+ if(node.nodeType === Node.TEXT_NODE) {
+ node = node.parent();
+ }
+ node.document.transaction(function() {
+ var comment = node.after({tagName: 'aside', attrs: {'class': 'comment'}});
+ comment.append({text:''});
+ var user = editor.getUser(), creator;
+ if(user) {
+ creator = user.name;
+ if(user.email) {
+ creator += ' (' + user.email + ')';
+ }
+ } else {
+ creator = 'anonymous';
+ }
+
+ var currentDate = new Date(),
+ dt = pad(currentDate.getDate()) + '-' +
+ pad((currentDate.getMonth() + 1)) + '-' +
+ pad(currentDate.getFullYear()) + ' ' +
+ pad(currentDate.getHours()) + ':' +
+ pad(currentDate.getMinutes()) + ':' +
+ pad(currentDate.getSeconds());
+
+ var metadata = comment.getMetadata();
+ metadata.add({key: 'creator', value: creator});
+ metadata.add({key: 'date', value: dt});
+ }, {
+ metadata: {
+ description: action.getState().description
+ },
+ success: callback
+ });
+ },
+ },
+ getState: function(params) {
+ var state = {
+ allowed: params.fragment && params.fragment.isValid() &&
+ params.fragment instanceof params.fragment.NodeFragment && !params.fragment.node.isRoot()
+ };
+ if(state.allowed) {
+ state.description = gettext('Insert comment');
+ }
+ return state;
}
};
+
+var createWrapTextAction = function(createParams) {
+ return {
+ name: createParams.name,
+ params: {
+ fragment: {type: 'context', name: 'fragment'},
+ },
+ getState: function(params) {
+ var state = {
+ label: this.config.label
+ },
+ parent;
+
+ if(!params.fragment || !params.fragment.isValid()) {
+ return _.extend(state, {allowed: false});
+ }
+
+ 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(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',
+ prePasteHandler: function(text) {
+ return params.fragment.document.getLinkForUrl(text);
+ }.bind(this),
+ description: '<a href="#-" class="attachment-library">' + gettext('attachment library') + '</a>'
+ }
+ ]
+ }),
+ action = this;
+
+ dialog.on('execute', function(event) {
+ doc.transaction(function() {
+ 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()]
+ }),
+ doc = params.fragment.document;
+ event.success();
+ return doc.createFragment(doc.CaretFragment, {node: span.contents()[0], offset:0});
+ }, {
+ metadata: {
+ description: action.getState().description,
+ fragment: params.fragment
+ },
+ success: callback
+ });
+ });
+ dialog.show();
+ $(".attachment-library", dialog.$el).on('click', function() {
+ attachments.select(function(v) {$("input", dialog.$el).val(v);});
+ });
+};
+
+var editLink = function(callback, params) {
+ var doc = params.fragment.document,
+ link = params.fragment.node.getParent('link'),
+ dialog = Dialog.create({
+ title: gettext('Edit link'),
+ executeButtonText: gettext('Apply'),
+ cancelButtonText: gettext('Cancel'),
+ 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();
+};
+
+var linkAction = {
+ name: 'link',
+ params: {
+ fragment: {type: 'context', name: 'fragment'}
+ },
+ stateDefaults: {
+ label: gettext('link')
+ },
+ getState: function(params) {
+ if(!params.fragment || !params.fragment.isValid()) {
+ return {allowed: false};
+ }
+
+ if(params.fragment instanceof params.fragment.TextRangeFragment) {
+ if(!params.fragment.hasSiblingBoundries() || params.fragment.startNode.parent().is('link')) {
+ return {allowed: false};
+ }
+ return {
+ allowed: true,
+ description: gettext('Create link from selection'),
+ execute: createLinkFromSelection
+ };
+ }
+
+ if(params.fragment instanceof params.fragment.CaretFragment) {
+ if(params.fragment.node.isInside('link')) {
+ return {
+ allowed: true,
+ toggled: true,
+ description: gettext('Edit link'),
+ execute: editLink
+ };
+ }
+ }
+ return {allowed: false};
+ }
+};
+
+
+var metadataParams = {};
+
+plugin.actions = [
+ undoRedoAction('undo'),
+ undoRedoAction('redo'),
+ commentAction,
+ 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,
+ metadataEditor.action(metadataParams)
+].concat(plugin.actions, templates.actions, footnote.actions, switchTo.actions, lists.actions, edumed.actions);
+
+
+plugin.config = function(config) {
+ // templates.actions[0].config(config.templates);
+ templates.actions[0].params.template.options = config.templates;
+ metadataParams.config = (config.metadata || []).sort(function(configRow1, configRow2) {
+ if(configRow1.key < configRow2.key) {
+ return -1;
+ }
+ if(configRow1.key > configRow2.key) {
+ return 1;
+ }
+ return 0;
+ });
+};
+
+plugin.canvasElements = canvasElements.concat(edumed.canvasElements);
+
return plugin;
});
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