-/*globals Class*/
+/*globals View*/
-var SplitView = Class.extend({
- leftPanelClass: 'splitview-left-panel',
- rightPanelClass: 'splitview-right-panel',
- splitterClass: 'splitview-splitter',
+// Split view inspired by jQuery Splitter Plugin http://methvin.com/splitter/
+var SplitView = View.extend({
+ splitbarClass: 'splitview-splitbar',
+ activeClass: 'splitview-active',
overlayClass: 'splitview-overlay',
element: null,
+ model: null,
+ zombie: null,
+ leftViewOffset: 0,
- init: function(element) {
- this.element = $(element);
- this.leftPanel = $(this.leftPanelClass, element);
- this.rightPanel = $(this.rightPanelClass, element);
- this.splitter = $(this.splitterClass, element);
- this.overlay = this._createOverlay(this.overlayClass);
-
- this.splitter.bind('mousedown.splitview', this.beginResize.bind(this));
- },
+ // Cache
+ _splitbarWidth: 0,
- _createOverlay: function(cssClass) {
- var pos = this.root.position();
- return $('<div />')
- .addClass(cssClass)
+ init: function(element, model) {
+ this.element = $(element).css('position', 'relative');
+ this.model = model;
+ this.views = $(">*", this.element[0]).css({
+ position: 'absolute', // positioned inside splitter container
+ 'z-index': 1, // splitbar is positioned above
+ '-moz-outline-style': 'none', // don't show dotted outline
+ overflow: 'auto'
+ });
+
+ this.leftView = $(this.views[0]);
+ this.rightView = $(this.views[1]);
+ this.splitbar = $(this.views[2] || '<div></div>')
+ .insertAfter(this.leftView)
.css({
position: 'absolute',
- left: pos.left,
- top: pos.top,
- width: this.root.width(),
- height: this.root.height()
+ 'user-select': 'none',
+ '-webkit-user-select': 'none',
+ '-khtml-user-select': 'none',
+ '-moz-user-select': 'none',
+ 'z-index': 100
})
- .hide()
- .appendTo(this.element);
+ .attr('unselectable', 'on')
+ .addClass(this.splitbarClass)
+ .bind('mousedown.splitview', this.beginResize.bind(this));
+
+ this._splitbarWidth = this.splitbar.outerWidth();
+
+ // Solomon's algorithm ;-)
+ this.resplit(this.element.width() / 2);
},
-
+
beginResize: function(event) {
- this.hotspotX = event.pageX - this.splitter.position().left;
+ this.zombie = this.zombie || this.splitbar.clone(false).insertAfter(this.leftView);
+ this.overlay = this.overlay || $('<div></div>').addClass(this.overlayClass).css({
+ position: 'absolute',
+ width: this.element.width(),
+ height: this.element.height(),
+ top: this.element.position().top,
+ left: this.element.position().left
+ }).appendTo(this.element);
+ this.views.css("-webkit-user-select", "none"); // Safari selects A/B text on a move
+ this.splitbar.addClass(this.activeClass);
+ this.leftViewOffset = this.leftView[0].offsetWidth - event.pageX;
$(document)
.bind('mousemove.splitview', this.resizeChanged.bind(this))
.bind('mouseup.splitview', this.endResize.bind(this));
-
- this.overlay.show();
- return false;
},
resizeChanged: function(event) {
- var old_width = this.overlay.width();
- var delta = event.pageX + this.hotspotX - old_width;
-
- if(old_width + delta < 12) delta = 12 - old_width;
- if(old_width + delta > $(window).width()) {
- delta = $(window).width() - old_width;
- }
-
- this.overlay.css({'width': old_width + delta});
-
- if(this.overlay.next) {
- var left = parseInt(this.overlay.next.css('left'), 10);
- this.overlay.next.css('left', left+delta);
- }
- return false;
+ var newPosition = event.pageX + this.leftViewOffset;
+ newPosition = Math.max(0, Math.min(newPosition, this.element.width() - this._splitbarWidth));
+ this.splitbar.css('left', newPosition);
},
endResize: function(event) {
+ var newPosition = event.pageX + this.leftViewOffset;
+ this.zombie.remove();
+ this.zombie = null;
+ this.overlay.remove();
+ this.overlay = null;
+ this.resplit(newPosition);
+
$(document)
.unbind('mousemove.splitview')
.unbind('mouseup.splitview');
-
- this.leftPanel.css({
+ },
+
+ resplit: function(newPosition) {
+ newPosition = Math.max(0, Math.min(newPosition, this.element.width() - this._splitbarWidth));
+ this.splitbar.css('left', newPosition);
+ this.leftView.css({
left: 0,
- right: this.hotspotX
+ width: newPosition
});
-
- this.rightPanel.css({
- left: this.hotspotX,
- right: 0
+ this.rightView.css({
+ left: newPosition + this._splitbarWidth,
+ width: this.element.width() - newPosition - this._splitbarWidth
});
-
- this.overlay.hide();
+ if (!$.browser.msie) {
+ this.views.trigger("resize");
+ }
},
dispose: function() {
this.splitter.unbind('mousedown.splitview');
+ this._super();
}
});