Add folder hierarchy collapsing.

svncommit

2008-08-28 f5aa16541e6901d2fc543f9044be1c898365b61e

 program/js/app.js

@@ -151,7 +151,7 @@
          this.set_message_coltypes(this.env.coltypes);

        // enable mail commands
        this.enable_command('list', 'checkmail', 'compose', 'add-contact', 'search', 'reset-search', true);
        this.enable_command('list', 'checkmail', 'compose', 'add-contact', 'search', 'reset-search', 'collapse-folder', true);

        if (this.env.search_text != null && document.getElementById('quicksearchbox') != null)
          document.getElementById('quicksearchbox').value = this.env.search_text;
@@ -982,6 +982,11 @@
          this.list_contacts(this.env.source);
        break;

      // collapse/expand folder
      case 'collapse-folder':
        if (props)
          this.collapse_folder(props);
        break;

      // user settings commands
      case 'preferences':
@@ -1140,6 +1145,33 @@
    var li;
    if (this.drag_active && (li = this.get_folder_li(id)))
      this.set_classname(li, 'droptarget', false);
    }

  this.collapse_folder = function(id)
    {
    var div;
    if ((li = this.get_folder_li(id)) &&
        (div = li.getElementsByTagName("div")[0]) &&
        (div.className.match(/collapsed/) || div.className.match(/expanded/)))
      {
      var ul = li.getElementsByTagName("ul")[0];
      if (div.className.match(/collapsed/))
        {
        ul.style.display = '';
        this.set_classname(div, 'collapsed', false);
        this.set_classname(div, 'expanded', true);
        var reg = new RegExp('&'+escape(id)+'&');
        this.set_env('collapsed_folders', this.env.collapsed_folders.replace(reg, ''));
        }
      else
        {
        ul.style.display = 'none';
        this.set_classname(div, 'expanded', false);
        this.set_classname(div, 'collapsed', true);
        this.set_env('collapsed_folders', this.env.collapsed_folders+'&'+escape(id)+'&');
        }
      this.http_post('save-pref', '_name=collapsed_folders&_value='+escape(this.env.collapsed_folders));
      }
    }

  // onmouseup handler for folder list item
@@ -3441,7 +3473,7 @@
    if (item = this.get_folder_li(mbox))
      {
      // set new text
      text_obj = item.firstChild;
      text_obj = item.firstChild.nextSibling;
      reg = /\s+\([0-9]+\)$/i;

      if (count && text_obj.innerHTML.match(reg))