/[drupal]/contributions/modules/addnode/addnode.js
ViewVC logotype

Diff of /contributions/modules/addnode/addnode.js

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

revision 1.2 by lionfish, Wed May 2 17:53:47 2007 UTC revision 1.3 by panis, Wed Jul 9 15:43:40 2008 UTC
# Line 1  Line 1 
1  // $Id $  // $Id $
2  // Author: Obslogic (Mike Smith aka Lionfish)  /**
3     * $file: addnode support functions to help with the following:
4     *  - display popup window and transfer newly created node ids to the select box
5     *  - controls to move nodes between the unselected and selected boxes.
6     *  - controls to reorder ndoes in the selected boxes
7     *  - controls to calculate the order of nodes and send that to the drupal BE
8     **/
9    
10  $(document).ready(function()  /**
11  {   * document ready hook - create a submit handler for the node edit form
12    var fieldid;   * so that the addnode order fields are intiialized properly before the
13    $('span.addnode_form').hide();   * submit.
14     **/
15    //the 'select from select box' has been selected  $(document).ready( function() {
16    $('a.addnode_select_link').click(function()          $('input.form-submit').click(function() {
17    {  
18      fieldid=this.id;            //make sure we initialize all the addnode order fields
19      $('select.addnode_select').filter('[@id='+fieldid+']').attr("disabled", false);                  $('.addnode-order').each( function() {
20      $('input.addnode_source').filter('[@name=addnode_'+fieldid+']').val('');//clear to show not creating a node                          //load the values with the orders.
21      $('span.addnode_form').filter('.'+fieldid).hide();                          var nm = this.id;
22    
23    });                          //field names contain a '-' but variables contain underscores
24                            //so need to swap the two.
25    //click on the general 'create new' links                          nm = nm.substring(5); //strip the "edit-" portion
26    $('span.addnode_links').click(function()                          nm = nm.substring(0, nm.length-5); //strip the "-nids" part
27    {                          nm = nm.replace(/-/g, '_');
28      fieldid=this.id;                          addnode_update_order(nm);
29      $('select.addnode_select').filter('[@id='+fieldid+']').attr("disabled", true);                  });
30      $('select.addnode_select').filter('[@id='+fieldid+']').selectNone();  
31    });      //cannot send an unselected select box back - just select all the nodes
32                    //in the "to_" select box. - else validation will fail.
33    //click on particular form type                  $('.addnode-select').each( function() {
34    $('a.addnode_item').click(function()                          var o = this.options;
35    {                          for(i=0;i<o.length;i++) {
36      var typeid=this.id;                                  this.options[i].selected = true;
37      $('span.addnode_form').filter('[@id='+typeid+']').filter('.'+fieldid).siblings().hide();                          }
38      $('span.addnode_form').filter('[@id='+typeid+']').filter('.'+fieldid).show();                  });
39      $('input.addnode_source').filter('[@name=addnode_'+fieldid+']').val(typeid);          });
   });  
40  });  });
41    
42  //unselects every item in 'this'  /**
43  jQuery.fn.selectNone = function()   * call back to help nodeassist insert the newly created node intou our select
44  {   * boxes.
45    this.each(function()   * just identifies the select box and adds the newly created node to it.
46    {   */
47      for (var i=0;i<this.options.length;i++)  function updateNewNodes(doc, args, id, title) {
48      {                  if(id != '') {
49        option = this.options[i];      //Add new nids to select - will it let us?
50        option.selected = false;                  var u = doc.getElementById(args);
51      }                          var option = new Option(title,id);
52    });                          var len = u.options.length;
53                            u.options[len] = option;
54                            u.options[len].selected = true;
55                    }
56    }
57    
58    /**
59     * for multi-select addnode fields - move the node from the selected list to
60     * the unselected list.
61     **/
62    function addnode_remove_item(field_name) {
63      var to_obj = $('#from_' + field_name).get(0);
64      var from_obj = $('#to_' + field_name).get(0);
65            addnode_move_item(from_obj, to_obj);
66      addnode_fix_empty(field_name);
67    }
68    
69    /**
70     * for multi-select addnode fields - move the node to the selected list from
71     * the unselected list.
72     **/
73    function addnode_add_item(field_name) {
74      var from_obj = $('#from_' + field_name).get(0);
75      var to_obj = $('#to_' + field_name).get(0);
76            addnode_move_item(from_obj, to_obj);
77      addnode_fix_empty(field_name);
78    }
79    
80    /**
81     * helper function to move the items from one select list to another.
82     **/
83    function addnode_move_item(from_obj, to_obj) {
84            var i = 0;
85      while(i < from_obj.options.length) {
86                    if(from_obj.options[i].selected && from_obj.options[i].value !=0) {
87                            var o = from_obj.options[i];
88                            len = to_obj.options.length;
89                            to_obj.options[len] = new Option(o.text, o.value, o.defaultSelected, o.selected);
90                            from_obj.options[i] = null;
91                    }
92                    else {
93                            i++;
94                    }
95      }
96    }
97    
98    /**
99     * don't let our lists become empty - this adds a "None" entry to the list
100     * if there are no entries in the list.
101     **/
102    function addnode_fix_empty_list(obj) {
103            if(obj.options.length == 0) {
104                    obj.options[0] = new Option('None', 0);
105                    obj.options[0].disabled = true;
106            }
107    
108            if(obj.options.length > 1 && obj.options[0].value == 0) {
109                    obj.options[0] = null;
110            }
111    }
112    
113    /**
114     * fix empty list for a specific field
115     **/
116    function addnode_fix_empty(field_name) {
117      var from_obj = $('#from_' + field_name).get(0);
118      var to_obj = $('#to_' + field_name).get(0);
119    
120            addnode_fix_empty_list(from_obj);
121            addnode_fix_empty_list(to_obj);
122    }
123    
124    /**
125     * function to move the selected items up by one in the select box.
126     **/
127    function addnode_move_item_up(field_name) {
128            var to_obj = $('#to_' + field_name).get(0);
129            for(i=1; i< to_obj.options.length; i++) {
130                    if(to_obj.options[i].selected) {
131                             addnode_swap_item(to_obj, i, i-1);
132                    }
133            }
134    }
135    
136    /**
137     * helper function to swap two option elements in a select box
138     **/
139    function addnode_swap_item(obj, i, j) {
140      var o = obj.options;
141      var ti = new Option(o[i].text, o[i].value, o[i].defaultSelected, o[i].selected);
142      var tj = new Option(o[j].text, o[j].value, o[j].defaultSelected, o[j].selected);
143    
144      o[i] = tj;
145            o[j] = ti;
146    }
147    
148    /**
149     * function to move the selected items down by one in the select box.
150     **/
151    function addnode_move_item_down(field_name) {
152            var to_obj = $('#to_' + field_name).get(0);
153            for(i = to_obj.options.length-2; i>=0; i--) {
154                    if(to_obj.options[i].selected) {
155                             addnode_swap_item(to_obj, i, i+1);
156                    }
157            }
158    }
159    
160    /**
161     * function recalculates the new order or sequence of nodes in the select
162     * box and sets the value of a hidden field to the new order.
163     **/
164    function addnode_update_order(field_name) {
165            $('#to_' + field_name).each(function() {
166                    var obj = this.options;
167                    var ids = new Array();
168                    for (var i = 0; i < obj.length; i++) {
169                            if (obj[i].value != 0) {
170                                    ids[i] = obj[i].value;
171                            }
172                    }
173                    var new_order = new String(ids.join(","));
174                    field_name = field_name.replace(/_/g, '-');
175                    $('#edit-' + field_name + '-nids').val(new_order);
176            });
177    }
178    
179    function addnode_callback(fn,arg,id,title) {
180            if( id == '' ) {
181                    return;
182            }
183    
184            if(window[fn]) {
185                    window[fn](this.parent.document,arg,id,title);
186            }
187  }  }
Legend:
Removed from v.1.2  
changed lines
  Added in v.1.3
  ViewVC Help
Powered by ViewVC 1.1.3