- small fixes/improvements of drag&drop

alecpl

2009-06-05 12989a756d351429f2bcdc279855a773f5b49c20

- small fixes/improvements of drag&drop

 program/js/app.js

@@ -1265,7 +1265,8 @@
      // only visible folders
          if (height = li.firstChild.offsetHeight) {
            pos = $(li.firstChild).offset();
            this.env.folder_coords[k] = { x1:pos.left, y1:pos.top, x2:pos.left + li.firstChild.offsetWidth, y2:pos.top + height, on:0 };
            this.env.folder_coords[k] = { x1:pos.left, y1:pos.top,
        x2:pos.left + li.firstChild.offsetWidth, y2:pos.top + height, on:0 };
      }
        }
      }
@@ -1275,14 +1276,13 @@
  this.drag_end = function(e)
  {
    this.drag_active = false;
    this.env.last_folder_target = null;

    // over the folders
    if (this.gui_objects.folderlist && this.env.folder_coords) {
      for (var k in this.env.folder_coords) {
        if (k == this.env.last_folder_target) {
        if (this.env.folder_coords[k].on)
          $(this.get_folder_li(k)).removeClass('droptarget');
          this.env.last_folder_target = null;
        }
      }
    }
  };
@@ -1298,36 +1298,32 @@
      var li, pos, mouse;
      mouse = rcube_event.get_mouse_pos(e);
      pos = this.env.folderlist_coords;

      mouse.y += toffset;

      // if mouse pointer is outside of folderlist
      if (mouse.x < pos.x1 || mouse.x >= pos.x2 || mouse.y < pos.y1 || mouse.y >= pos.y2) {
        if (this.env.last_folder_target) {
    if (this.env.last_folder_target) {
          $(this.get_folder_li(this.env.last_folder_target)).removeClass('droptarget');
          this.env.last_folder_target = null;
        }
      this.env.folder_coords[this.env.last_folder_target].on = 0;
      this.env.last_folder_target = null;
    }
        return;
      }
    
      var last = this.env.last_folder_target;

      // over the folders
      for (var k in this.env.folder_coords) {
        pos = this.env.folder_coords[k];
        if ((mouse.x >= pos.x1) && (mouse.x < pos.x2) 
            && (mouse.y >= pos.y1) && (mouse.y < pos.y2)
        if (mouse.x >= pos.x1 && mouse.x < pos.x2 && mouse.y >= pos.y1 && mouse.y < pos.y2
        && this.check_droptarget(k)) {
      if (k == last)
        continue; 
          $(this.get_folder_li(k)).addClass('droptarget');
          this.env.last_folder_target = k;
      this.env.folder_coords[k].on = 1;
    }
        else if (pos.on){
      if (k == last)
        this.env.last_folder_target = null;
        else if (pos.on) {
      $(this.get_folder_li(k)).removeClass('droptarget');
      this.env.folder_coords[k].on = 0;
          $(this.get_folder_li(k)).removeClass('droptarget');
    }
      }
    }