src/wlxml/extensions/list/list.js

   1 define(function(require) {
   2
   3 'use strict';
   4
   5 var _ = require('libs/underscore'),
   6     extension = {document: {transformations: {}, methods: {}}, wlxmlClass: {list: {methods: {}}}};
   7
   8
   9 extension.wlxmlClass.list.methods = {
  10     itemIndex: function(listItem) {
  11         var toret = -1;
  12         this.contents('.item').some(function(item, index) {
  13             if(item.sameNode(listItem)) {
  14                 toret = index;
  15                 return true; // break
  16             }
  17         });
  18         return toret;
  19     },
  20     getItem: function(index) {
  21         return this.contents('.item')[index];
  22     }
  23 };
  24
  25 extension.document.methods = {
  26     areItemsOfSameList: function(params) {
  27         return params.node1.parent().sameNode(params.node2.parent()) && params.node2.parent().is('list');
  28     }
  29 };
  30
  31
  32
  33 extension.document.transformations.createList = {
  34     impl: function(params) {
  35         /* globals Node */
  36         var parent = params.node1.parent(),
  37             parentContents = parent.contents(),
  38             nodeIndexes = [params.node1.getIndex(), params.node2.getIndex()].sort(function(a,b) { return a-b; }),
  39             nodesToWrap = [],
  40             listNode = params.node1.document.createDocumentNode({tagName: 'div', attrs: {'class': 'list'}}),
  41             listPlacePtr = params.node1,
  42             node, i;
  43
  44         for(i = nodeIndexes[0]; i <= nodeIndexes[1]; i++) {
  45             node = parentContents[i];
  46             if(node.nodeType === Node.TEXT_NODE) {
  47                 node = node.wrapWith({tagName: 'div', attrs: {'class': 'item'}});
  48                 if(i === nodeIndexes[0]) {
  49                     listPlacePtr = node;
  50                 }
  51             } else {
  52                 node.setClass('item');
  53             }
  54             nodesToWrap.push(node);
  55         }
  56
  57         var toInsert;
  58         if(parent.is('list') && parent.object.itemIndex(nodesToWrap[0]) > 0) { // object api
  59             // var prevItem = parent.object.getItem(parent.object.itemIndex(nodesToWrap[0])-1); // object api
  60             // prevItem.append(listNode);
  61             toInsert = listNode.wrapWith({tagName: 'div', attrs: {'class': 'item'}});
  62         } else {
  63             //nodesToWrap[0].before(listNode);
  64             toInsert = listNode;
  65         }
  66
  67         listPlacePtr.before(toInsert);
  68
  69         nodesToWrap.forEach(function(node) {
  70             listNode.append(node);
  71         });
  72     },
  73     getChangeRoot: function() {
  74         return this.args[0].node1.parent();
  75     },
  76     isAllowed: function() {
  77         return this.args[0].node1.parent().sameNode(this.args[0].node2.parent());
  78     }
  79 };
  80
  81 extension.document.transformations.extractItems = {
  82     impl: function(params) {
  83         params = _.extend({}, {merge: true}, params);
  84         var list = params.item1.parent(),
  85             indexes = [params.item1.getIndex(), params.item2.getIndex()].sort(function(a,b) { return a-b;}),
  86             precedingItems = [],
  87             extractedItems = [],
  88             succeedingItems = [],
  89             items = list.contents(),
  90             listIsNested = list.parent().is('item');
  91
  92
  93         items.forEach(function(item, idx) {
  94             if(idx < indexes[0]) {
  95                 precedingItems.push(item);
  96             }
  97             else if(idx >= indexes[0] && idx <= indexes[1]) {
  98                 extractedItems.push(item);
  99             }
 100             else {
 101                 succeedingItems.push(item);
 102             }
 103         });
 104
 105         var reference = listIsNested ? list.parent() : list;
 106         if(succeedingItems.length === 0) {
 107             var reference_orig = reference;
 108             extractedItems.forEach(function(item) {
 109                 reference.after(item);
 110                 reference = item;
 111                 if(!listIsNested) {
 112                     item.setClass(null);
 113                 }
 114             });
 115             if(precedingItems.length === 0) {
 116                 reference_orig.detach();
 117             }
 118         } else if(precedingItems.length === 0) {
 119             extractedItems.forEach(function(item) {
 120                 reference.before(item);
 121                 if(!listIsNested) {
 122                     item.setClass(null);
 123                 }
 124             });
 125         } else {
 126             extractedItems.forEach(function(item) {
 127                 reference.after(item);
 128                 if(!listIsNested) {
 129                     item.setClass(null);
 130                 }
 131                 reference = item;
 132             });
 133             var secondList = params.item1.document.createDocumentNode({tagName: 'div', attrs: {'class':'list'}}),
 134                 toAdd = secondList;
 135
 136             if(listIsNested) {
 137                 toAdd = secondList.wrapWith({tagName: 'div', attrs: {'class':'item'}});
 138             }
 139             succeedingItems.forEach(function(item) {
 140                 secondList.append(item);
 141             });
 142
 143             reference.after(toAdd);
 144         }
 145         if(!params.merge && listIsNested) {
 146             return this.extractItems({item1: extractedItems[0], item2: extractedItems[extractedItems.length-1]});
 147         }
 148         return true;
 149     },
 150     isAllowed: function() {
 151         var parent = this.args[0].nodel1.parent();
 152         return parent.is('list') && parent.sameNode(this.args[0].node2.parent());
 153     }
 154 };
 155
 156 return extension;
 157
 158
 159 });