Open-ILS/xul/staff_client/chrome/content/util/widgets.js

   1 dump('entering util/widgets.js\n');
   2
   3 if (typeof util == 'undefined') var util = {};
   4 util.widgets = {};
   5
   6 util.widgets.EXPORT_OK  = [
   7         'get_list_from_tree_selection',
   8         'disable_accesskeys_in_node_and_children',
   9         'enable_accesskeys_in_node_and_children',
  10         'remove_children',
  11         'make_grid',
  12         'make_menulist',
  13         'insertAfter',
  14         'apply_vertical_tab_on_enter_handler',
  15         'vertical_tab',
  16         'click',
  17 ];
  18 util.widgets.EXPORT_TAGS        = { ':all' : util.widgets.EXPORT_OK };
  19
  20 util.widgets.click = function(e) {
  21         var evt = document.createEvent("MouseEvent");
  22         evt.initMouseEvent( "click", true, true, window, 0, 0, 0, 0, 0, false,false,false,false,0,null);
  23         e.dispatchEvent(evt);
  24 }
  25
  26 util.widgets.make_menulist = function( items ) {
  27         var menulist = document.createElement('menulist');
  28         var menupopup = document.createElement('menupopup'); menulist.appendChild(menupopup);
  29         for (var i = 0; i < items.length; i++) {
  30                 var menuitem = document.createElement('menuitem'); menupopup.appendChild(menuitem);
  31                 menuitem.setAttribute('label',items[i][0]);
  32                 menuitem.setAttribute('value',items[i][1]);
  33         }
  34         return menulist;
  35 }
  36
  37 util.widgets.make_grid = function( cols ) {
  38         var grid = document.createElement('grid');
  39         var columns = document.createElement('columns'); grid.appendChild(columns);
  40         for (var i = 0; i < cols.length; i++) {
  41                 var column = document.createElement('column'); columns.appendChild(column);
  42                 for (var j in cols[i]) {
  43                         column.setAttribute(j,cols[i][j]);
  44                 }
  45         }
  46         var rows = document.createElement('rows'); grid.appendChild(rows);
  47         return grid;
  48 }
  49
  50 util.widgets.get_list_from_tree_selection = function(tree_w) {
  51         var hitlist;
  52         if (typeof(tree_w) != 'object') {
  53                 tree = document.getElementById(tree_w);
  54         } else {
  55                 tree = tree_w;
  56         }
  57         var list = [];
  58         var start = new Object();
  59         var end = new Object();
  60         var numRanges = tree.view.selection.getRangeCount();
  61         for (var t=0; t<numRanges; t++){
  62                 tree.view.selection.getRangeAt(t,start,end);
  63                 for (var v=start.value; v<=end.value; v++){
  64                         var i = tree.contentView.getItemAtIndex(v);
  65                         list.push( i );
  66                 }
  67         }
  68         return list;
  69 }
  70
  71 util.widgets.remove_children = function(w) {
  72         if (typeof w != 'object') w = document.getElementById(w);
  73         while(w.lastChild) w.removeChild( w.lastChild );
  74 }
  75
  76 util.widgets.disable_accesskeys_in_node_and_children = function( node ) {
  77         if (node.getAttribute('accesskey')) {
  78                 node.setAttribute('oldaccesskey', node.getAttribute('accesskey'));
  79                 node.setAttribute('accesskey',''); node.accessKey = '';
  80         }
  81         for (var i = 0; i < node.childNodes.length; i++) {
  82                 util.widgets.disable_accesskeys_in_node_and_children( node.childNodes[i] );
  83         }
  84         dump('- node = <' + node.id + '> accesskey = <' + node.accessKey + '> accesskey = <' + node.getAttribute('accesskey') + '> oldaccesskey = <' + node.getAttribute('oldaccesskey') + '>\n');
  85 }
  86
  87 util.widgets.enable_accesskeys_in_node_and_children = function( node ) {
  88         if (node.getAttribute('oldaccesskey')) {
  89                 node.setAttribute('accesskey', node.getAttribute('oldaccesskey'));
  90                 node.accessKey = node.getAttribute('oldaccesskey');
  91                 node.setAttribute('oldaccesskey','');
  92         }
  93         for (var i = 0; i < node.childNodes.length; i++) {
  94                 util.widgets.enable_accesskeys_in_node_and_children( node.childNodes[i] );
  95         }
  96         dump('+ node = <' + node.id + '> accesskey = <' + node.accessKey + '> accesskey = <' + node.getAttribute('accesskey') + '> oldaccesskey = <' + node.getAttribute('oldaccesskey') + '>\n');
  97 }
  98
  99 util.widgets.insertAfter = function(parent_node,new_node,sibling_node) {
 100         sibling_node = sibling_node.nextSibling;
 101         if (sibling_node) {
 102                 parent_node.insertBefore(new_node,sibling_node);
 103         } else {
 104                 parent_node.appendChild(new_node);
 105         }
 106 }
 107
 108 util.widgets.apply_vertical_tab_on_enter_handler = function(node) {
 109         try {
 110                 node.addEventListener(
 111                         'keypress',
 112                         function(ev) {
 113                                 dump('keypress: ev.target.tagName = ' + ev.target.tagName
 114                                         + ' ev.target.nodeName = ' + ev.target.nodeName
 115                                         + ' ev.keyCode = ' + ev.keyCode
 116                                         + ' ev.charCode = ' + ev.charCode + '\n');
 117                                 if (ev.keyCode == 13) {
 118                                         dump('trying vertical tab\n');
 119                                         util.widgets.vertical_tab(ev.target);
 120                                         ev.preventDefault(); ev.stopPropagation();
 121                                         return true;
 122                                 }
 123                         },
 124                         false
 125                 );
 126         } catch(E) {
 127                 alert(E);
 128         }
 129 }
 130
 131 util.widgets.vertical_tab = function(node) {
 132         try {
 133                 var rel_vert_pos = node.getAttribute('rel_vert_pos') || 0;
 134                 dump('vertical_tab -> node = ' + node.nodeName + ' rel_vert_pos = ' + rel_vert_pos + '\n');
 135
 136                 var nl = document.getElementsByTagName( node.nodeName );
 137
 138                 var found_self = false; var next_node; var max_rel_vert_pos = 0;
 139                 for (var i = 0; i < nl.length; i++) {
 140
 141                         var candidate_node = nl[i];
 142                         var test_rel_vert_pos = candidate_node.getAttribute('rel_vert_pos') || 0;
 143
 144                         if (found_self && !next_node && (test_rel_vert_pos == rel_vert_pos) && !candidate_node.disabled) {
 145
 146                                 next_node = candidate_node;
 147
 148                         }
 149                         if (candidate_node == node) found_self = true;
 150
 151                         if (test_rel_vert_pos > max_rel_vert_pos) max_rel_vert_pos = test_rel_vert_pos;
 152                 }
 153
 154                 dump('intermediate: next_node = ' + next_node + ' max_rel_vert_pos = ' + max_rel_vert_pos + '\n');
 155
 156                 if (!next_node) {
 157
 158                         found_self = false;
 159                         for (var next_pos = rel_vert_pos; next_pos <= max_rel_vert_pos; next_pos++) {
 160
 161                                 for (var i = 0; i < nl.length; i++) {
 162                                         var candidate_node = nl[i];
 163                                         var test_rel_vert_pos = candidate_node.getAttribute('rel_vert_pos') || 0;
 164
 165                                         if (found_self && !next_node && (test_rel_vert_pos == next_pos) && !candidate_node.disabled ) {
 166                                                 next_node = candidate_node;
 167                                         }
 168
 169                                         if (candidate_node == node) found_self = true;
 170                                 }
 171
 172                         }
 173
 174                 }
 175
 176                 if (next_node) {
 177                         dump('focusing\n');
 178                         next_node.focus();
 179                 }
 180         } catch(E) {
 181                 alert(E);
 182         }
 183 }
 184
 185
 186 dump('exiting util/widgets.js\n');