Added patch for resizeable preview pane

1 files changed, 209 insertions, 0 deletions

diff --git a/skins/default/splitter.js b/skins/default/splitter.js
new file mode 100644
index 000000000..97965a245
--- /dev/null
+++ b/skins/default/splitter.js
@@ -0,0 +1,209 @@
+
+/**
+ * RoundCube splitter GUI class
+ *
+ * @constructor
+ */
+function rcube_splitter(attrib)
+  {
+  this.p1id = attrib.p1;
+  this.p2id = attrib.p2;
+  this.id = attrib.id ? attrib.id : this.p1id + '_' + this.p2id + '_splitter';
+  this.orientation = attrib.orientation;
+  this.horizontal = (this.orientation == 'horizontal' || this.orientation == 'h');
+  this.offset_1 = bw.ie ? 0 : (bw.safari ? 2 : -1);
+  this.offset_2 = bw.ie ? -2 : (bw.safari ? -2 : 1);
+  this.pos = 0;
+
+  this.init = function()
+    {
+    this.p1 = document.getElementById(this.p1id);
+    this.p2 = document.getElementById(this.p2id);
+    
+    // create and position the handle for this splitter
+    this.p1pos = rcube_get_object_pos(this.p1);
+    this.p2pos = rcube_get_object_pos(this.p2);
+    var top = this.p1pos.y + this.p1.offsetHeight;
+    var height = this.p2pos.y - this.p1pos.y - this.p1.offsetHeight;
+    var left = this.p1pos.x + this.p1.offsetWidth;
+    var width = this.p2pos.x - this.p1pos.x - this.p1.offsetWidth;
+    
+    if (this.horizontal)
+      this.layer = new rcube_layer(this.id, {x: this.p1pos.x, y: top, height: height, width: this.p1.offsetWidth, vis: 1});
+    else
+      this.layer = new rcube_layer(this.id, {x: left, y: this.p1pos.y, width: width, height: this.p1.offsetHeight, vis: 1});
+
+    this.elm = this.layer.elm;
+    this.elm.className = 'splitter '+(this.horizontal ? 'splitter-h' : 'splitter-v');
+
+    // add the mouse event listeners
+    rcube_event.add_listener({element: this.elm, event:'mousedown', object:this, method:'onDragStart'});
+    rcube_event.add_listener({element: window, event:'resize', object:this, method:'onResize'});
+
+    // read saved position form cookie
+    var cookie = bw.get_cookie(this.id);
+    if (cookie)
+      {
+      var param = cookie.split(':');
+      for (var i=0, p; i<param.length; i++)
+        {
+        p = param[i].split('=');
+        this[p[0]] = !isNaN(p[1]) ? parseFloat(p[1]) : p[1];
+        }
+
+      this.resize();
+      }
+    };
+
+  /**
+   * Set size and position of all DOM objects
+   * according to the saved splitter position
+   */
+  this.resize = function()
+    {
+     if (this.horizontal)
+      {
+      this.p1.style.height = Math.floor(this.pos - this.p1pos.y - this.layer.height / 2 + this.offset_1) + 'px';
+      this.p2.style.top = Math.ceil(this.pos + (this.layer.height / 2 + this.offset_2)) + 'px';
+      this.layer.move(this.layer.x, Math.round(this.pos - this.layer.height / 2 + 1));
+      }
+    else
+      {
+      this.p1.style.width = Math.floor(this.pos - this.p1pos.x - this.layer.width / 2 + this.offset_1) + 'px';
+      this.p2.style.left = Math.ceil(this.pos + this.layer.width / 2 + this.offset_2) + 'px';
+      this.layer.move(Math.round(this.pos - this.layer.width / 2 + 1), this.layer.y);
+      }
+    };
+
+  /**
+   * Handler for mousedown events
+   */
+  this.onDragStart = function(e)
+    {
+    this.p1pos = rcube_get_object_pos(this.p1);
+    this.p2pos = rcube_get_object_pos(this.p2);
+
+    // start listening to mousemove events
+    rcube_event.add_listener({element:document, event:'mousemove', object:this, method:'onDrag'});
+    rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'onDragStop'});
+
+    // need to listen in any iframe documents too, b/c otherwise the splitter stops moving when we move over an iframe
+    var iframes = document.getElementsByTagName('IFRAME');
+    this.iframe_events = Object();
+    for (var n in iframes)
+      {
+      var iframedoc = null;
+      if (iframes[n].contentDocument)
+        iframedoc = iframes[n].contentDocument;
+      else if (iframes[n].contentWindow)
+        iframedoc = iframes[n].contentWindow.document;
+      else if (iframes[n].document)
+        iframedoc = iframes[n].document;
+      if (iframedoc)
+        {
+        // I don't use the add_listener function for this one because I need to create closures to fetch
+        // the position of each iframe when the event is received
+        var s = this;
+        var id = iframes[n].id;
+        this.iframe_events[n] = function(e){ e._rc_pos_offset = rcube_get_object_pos(document.getElementById(id)); return s.onDrag(e); }
+        if (iframedoc.addEventListener)
+          iframedoc.addEventListener('mousemove', this.iframe_events[n], false);
+        else if (iframes[n].attachEvent)
+          iframedoc.attachEvent('onmousemove', this.iframe_events[n]);
+        else
+          iframedoc['onmousemove'] = this.iframe_events[n];
+
+        rcube_event.add_listener({element:iframedoc, event:'mouseup', object:this, method:'onDragStop'});
+        }
+      }
+    }
+
+  /**
+   * Handler for mousemove events
+   */
+  this.onDrag = function(e)
+    {
+    var pos = rcube_event.get_mouse_pos(e);
+    if (e._rc_pos_offset)
+      {
+      pos.x += e._rc_pos_offset.x;
+      pos.y += e._rc_pos_offset.y;
+      }
+
+    if (this.horizontal)
+      {
+      if (((pos.y - this.layer.height * 1.5) > this.p1pos.y) && ((pos.y + this.layer.height * 1.5) < (this.p2pos.y + this.p2.offsetHeight)))
+        {
+        this.pos = pos.y;
+        this.resize();
+        }
+      }
+    else
+      {
+      if (((pos.x - this.layer.width * 1.5) > this.p1pos.x) && ((pos.x + this.layer.width * 1.5) < (this.p2pos.x + this.p2.offsetWidth)))
+        {
+        this.pos = pos.x;
+        this.resize();
+        }
+      }
+
+    this.p1pos = rcube_get_object_pos(this.p1);
+    this.p2pos = rcube_get_object_pos(this.p2);
+    return false;
+    };
+
+  /**
+   * Handler for mouseup events
+   */
+  this.onDragStop = function(e)
+    {
+    // cancel the listening for drag events
+    rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'onDrag'});
+    rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'onDragStop'});
+    var iframes = document.getElementsByTagName('IFRAME');
+
+    for (var n in iframes)
+      {
+      var iframedoc;
+      if (iframes[n].contentDocument)
+        iframedoc = iframes[n].contentDocument;
+      else if (iframes[n].contentWindow)
+        iframedoc = iframes[n].contentWindow.document;
+      else if (iframes[n].document)
+        iframedoc = iframes[n].document;
+      if (iframedoc)
+        {
+        if (this.iframe_events[n]) {
+          if (iframedoc.removeEventListener)
+            iframedoc.removeEventListener('mousemove', this.iframe_events[n], false);
+          else if (iframedoc.detachEvent)
+            iframedoc.detachEvent('onmousemove', this.iframe_events[n]);
+          else
+            iframedoc['onmousemove'] = null;
+        }
+
+        rcube_event.remove_listener({element:iframedoc, event:'mouseup', object:this, method:'onDragStop'});
+        }
+      }
+
+    // save state in cookie
+    var exp = new Date();
+    exp.setYear(exp.getFullYear() + 1);
+    bw.set_cookie(this.id, 'pos='+this.pos, exp);
+
+    return bw.safari ? true : rcube_event.cancel(e);
+    };
+
+  /**
+   * Handler for window resize events
+   */
+  this.onResize = function(e)
+    {
+    this.p1pos = rcube_get_object_pos(this.p1);
+    this.p2pos = rcube_get_object_pos(this.p2);
+    var height = this.horizontal ? this.p2pos.y - this.p1pos.y - this.p1.offsetHeight : this.p1.offsetHeight;
+    var width = this.horizontal ? this.p1.offsetWidth : this.p2pos.x - this.p1pos.x - this.p1.offsetWidth;
+    this.layer.resize(width, height);
+    };
+
+  }  // end class rcube_splitter