src/wlxml/extensions/list/list.js

   1 define(function() {
   2
   3 'use strict';
   4
   5 var extension = {document: {transformations: {}}, wlxmlClass: {list: {methods: {}}}};
   6
   7
   8 extension.wlxmlClass.list.methods = {
   9     itemIndex: function(listItem) {
  10         var toret = -1;
  11         this.contents('.item').some(function(item, index) {
  12             if(item.sameNode(listItem)) {
  13                 toret = index;
  14                 return true; // break
  15             }
  16         });
  17         return toret;
  18     },
  19     getItem: function(index) {
  20         return this.contents('.item')[index];
  21     }
  22 }
  23
  24 extension.documentMethods = {
  25     areItemsOfSameList: function(params) {
  26         return params.node1.parent().sameNode(params.node2.parent()) && params.node2.parent().is('list');
  27     }
  28 }
  29
  30
  31
  32 extension.document.transformations.createList = {
  33     impl: function(params) {
  34         var parent = params.node1.parent(),
  35             parentContents = parent.contents(),
  36             nodeIndexes = [params.node1.getIndex(), params.node2.getIndex()].sort(),
  37             nodesToWrap = [],
  38             listNode = params.node1.document.createDocumentNode({tagName: 'div', attrs: {'class': 'list'}}),
  39             node, i;
  40
  41         for(i = nodeIndexes[0]; i <= nodeIndexes[1]; i++) {
  42             node = parentContents[i];
  43             if(node.nodeType === Node.TEXT_NODE) {
  44                 node = node.wrapWith({tagName: 'div', attrs: {'class': 'item'}}); //t
  45             } else {
  46                 node.setClass('item'); //t
  47             }
  48             nodesToWrap.push(node);
  49         }
  50
  51         var toInsert;
  52         if(parent.is('list') && parent.object.itemIndex(nodesToWrap[0]) > 0) { // object api
  53             // var prevItem = parent.object.getItem(parent.object.itemIndex(nodesToWrap[0])-1); // object api
  54             // prevItem.append(listNode); //t
  55             toInsert = listNode.wrapWith({tagName: 'div', attrs: {'class': 'item'}});
  56         } else {
  57             //nodesToWrap[0].before(listNode); //t
  58             toInsert = listNode;
  59         }
  60
  61         params.node1.before(toInsert);
  62
  63         nodesToWrap.forEach(function(node) {
  64             listNode.append(node); //t
  65         });
  66     },
  67     getChangeRoot: function() {
  68         return this.args.node1.parent();
  69     },
  70     isAllowed: function() {
  71         return this.args.node1.parent().sameNode(this.args.node2.parent());
  72     }
  73 };
  74
  75 extension.document.transformations.extractItems = {
  76     impl: function(params) {
  77         params = _.extend({}, {merge: true}, params);
  78         var list = params.item1.parent(),
  79             indexes = [params.item1.getIndex(), params.item2.getIndex()].sort(),
  80             precedingItems = [],
  81             extractedItems = [],
  82             succeedingItems = [],
  83             items = list.contents(), // lub list.object.items()
  84             listIsNested = list.parent().is('item'),
  85             i;
  86
  87         items.forEach(function(item, idx) {
  88             if(idx < indexes[0]) {
  89                 precedingItems.push(item);
  90             }
  91             else if(idx >= indexes[0] && idx <= indexes[1]) {
  92                 extractedItems.push(item);
  93             }
  94             else {
  95                 succeedingItems.push(item);
  96             }
  97         });
  98
  99         var reference = listIsNested ? list.parent() : list;
 100         if(succeedingItems.length === 0) {
 101             var reference_orig = reference;
 102             extractedItems.forEach(function(item) {
 103                 reference.after(item); //t
 104                 reference = item;
 105                 if(!listIsNested) {
 106                     item.setClass(null); //t
 107                 }
 108             });
 109             if(precedingItems.length === 0)
 110                 reference_orig.detach(); //t
 111         } else if(precedingItems.length === 0) {
 112             extractedItems.forEach(function(item) {
 113                 reference.before(item); //t
 114                 if(!listIsNested) {
 115                     item.setClass(null); //t
 116                 }
 117             });
 118         } else {
 119             extractedItems.forEach(function(item) {
 120                 reference.after(item); //t
 121                 if(!listIsNested)
 122                     item.setClass(null); //t
 123                 reference = item;
 124             });
 125             var secondList = params.item1.document.createDocumentNode({tagName: 'div', attrs: {'class':'list'}}),
 126                 toAdd = secondList;
 127
 128             if(listIsNested) {
 129                 toAdd = secondList.wrapWith({tagName: 'div', attrs: {'class':'item'}});
 130             }
 131             succeedingItems.forEach(function(item) {
 132                 secondList.append(item);
 133             });
 134
 135             reference.after(toAdd);
 136         }
 137         if(!params.merge && listIsNested) {
 138             return this.transform('extractItems', {item1: extractedItems[0], item2: extractedItems[extractedItems.length-1]});
 139         }
 140         return true;
 141     },
 142     isAllowed: function() {
 143         var parent = this.args.nodel1.parent();
 144         return parent.is('list') && parent.sameNode(this.args.node2.parent());
 145     }
 146 };
 147
 148 return extension;
 149
 150
 151 });