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             node, i;
  42
  43         for(i = nodeIndexes[0]; i <= nodeIndexes[1]; i++) {
  44             node = parentContents[i];
  45             if(node.nodeType === Node.TEXT_NODE) {
  46                 node = node.wrapWith({tagName: 'div', attrs: {'class': 'item'}});
  47             } else {
  48                 node.setClass('item');
  49             }
  50             nodesToWrap.push(node);
  51         }
  52
  53         var toInsert;
  54         if(parent.is('list') && parent.object.itemIndex(nodesToWrap[0]) > 0) { // object api
  55             // var prevItem = parent.object.getItem(parent.object.itemIndex(nodesToWrap[0])-1); // object api
  56             // prevItem.append(listNode);
  57             toInsert = listNode.wrapWith({tagName: 'div', attrs: {'class': 'item'}});
  58         } else {
  59             //nodesToWrap[0].before(listNode);
  60             toInsert = listNode;
  61         }
  62
  63         params.node1.before(toInsert);
  64
  65         nodesToWrap.forEach(function(node) {
  66             listNode.append(node);
  67         });
  68     },
  69     getChangeRoot: function() {
  70         return this.args[0].node1.parent();
  71     },
  72     isAllowed: function() {
  73         return this.args[0].node1.parent().sameNode(this.args[0].node2.parent());
  74     }
  75 };
  76
  77 extension.document.transformations.extractItems = {
  78     impl: function(params) {
  79         params = _.extend({}, {merge: true}, params);
  80         var list = params.item1.parent(),
  81             indexes = [params.item1.getIndex(), params.item2.getIndex()].sort(function(a,b) { return a-b;}),
  82             precedingItems = [],
  83             extractedItems = [],
  84             succeedingItems = [],
  85             items = list.contents(),
  86             listIsNested = list.parent().is('item');
  87
  88
  89         items.forEach(function(item, idx) {
  90             if(idx < indexes[0]) {
  91                 precedingItems.push(item);
  92             }
  93             else if(idx >= indexes[0] && idx <= indexes[1]) {
  94                 extractedItems.push(item);
  95             }
  96             else {
  97                 succeedingItems.push(item);
  98             }
  99         });
 100
 101         var reference = listIsNested ? list.parent() : list;
 102         if(succeedingItems.length === 0) {
 103             var reference_orig = reference;
 104             extractedItems.forEach(function(item) {
 105                 reference.after(item);
 106                 reference = item;
 107                 if(!listIsNested) {
 108                     item.setClass(null);
 109                 }
 110             });
 111             if(precedingItems.length === 0) {
 112                 reference_orig.detach();
 113             }
 114         } else if(precedingItems.length === 0) {
 115             extractedItems.forEach(function(item) {
 116                 reference.before(item);
 117                 if(!listIsNested) {
 118                     item.setClass(null);
 119                 }
 120             });
 121         } else {
 122             extractedItems.forEach(function(item) {
 123                 reference.after(item);
 124                 if(!listIsNested) {
 125                     item.setClass(null);
 126                 }
 127                 reference = item;
 128             });
 129             var secondList = params.item1.document.createDocumentNode({tagName: 'div', attrs: {'class':'list'}}),
 130                 toAdd = secondList;
 131
 132             if(listIsNested) {
 133                 toAdd = secondList.wrapWith({tagName: 'div', attrs: {'class':'item'}});
 134             }
 135             succeedingItems.forEach(function(item) {
 136                 secondList.append(item);
 137             });
 138
 139             reference.after(toAdd);
 140         }
 141         if(!params.merge && listIsNested) {
 142             return this.extractItems({item1: extractedItems[0], item2: extractedItems[extractedItems.length-1]});
 143         }
 144         return true;
 145     },
 146     isAllowed: function() {
 147         var parent = this.args[0].nodel1.parent();
 148         return parent.is('list') && parent.sameNode(this.args[0].node2.parent());
 149     }
 150 };
 151
 152 return extension;
 153
 154
 155 });