var ACTIVE_HANDLE_NODE = 'activeHandleNode',
CURSOR = 'cursor',
DRAG_CURSOR = 'dragCursor',
HOST = 'host',
PARENT_NODE = 'parentNode',
PROXY = 'proxy',
PROXY_NODE = 'proxyNode',
RESIZE = 'resize',
RESIZE_PROXY = 'resize-proxy',
WRAPPER = 'wrapper',
getCN = Y.ClassNameManager.getClassName,
CSS_RESIZE_PROXY = getCN(RESIZE, PROXY);
/**
Adds a `proxyNode` attribute and resizes it instead of the actual node. __very similar to DDProxy__
var resize = new Y.Resize({
//Selector of the node to resize
node: '#demo'
});
resize.plug(Y.Plugin.ResizeProxy);
@class ResizeProxy
@module resize
@submodule resize-proxy
@constructor
@extends Plugin.Base
@namespace Plugin
*/
function ResizeProxy() {
ResizeProxy.superclass.constructor.apply(this, arguments);
}
Y.mix(ResizeProxy, {
NAME: RESIZE_PROXY,
NS: PROXY,
ATTRS: {
/**
* The Resize proxy element.
*
* @attribute proxyNode
* @default Generated using an internal HTML markup
* @type String|Node
*/
proxyNode: {
setter: Y.one,
valueFn: function() {
return Y.Node.create(this.PROXY_TEMPLATE);
}
}
}
});
Y.extend(ResizeProxy, Y.Plugin.Base, {
/**
* Template used to create the resize proxy.
*
* @property PROXY_TEMPLATE
* @type {String}
*/
PROXY_TEMPLATE: '<div class="'+CSS_RESIZE_PROXY+'"></div>',
initializer: function() {
var instance = this;
instance.afterHostEvent('resize:start', instance._afterResizeStart);
instance.beforeHostMethod('_resize', instance._beforeHostResize);
instance.afterHostMethod('_resizeEnd', instance._afterHostResizeEnd);
},
destructor: function() {
var instance = this;
instance.get(PROXY_NODE).remove(true);
},
_afterHostResizeEnd: function(event) {
var instance = this,
drag = event.dragEvent.target;
// reseting actXY from drag when drag end
drag.actXY = [];
// if proxy is true, hide it on resize end
instance._syncProxyUI();
instance.get(PROXY_NODE).hide();
},
_afterResizeStart: function() {
var instance = this;
instance._renderProxy();
},
_beforeHostResize: function(event) {
var instance = this,
host = this.get(HOST);
host._handleResizeAlignEvent(event.dragEvent);
// if proxy is true _syncProxyUI instead of _syncUI
instance._syncProxyUI();
return new Y.Do.Prevent();
},
/**
* Render the <a href="ResizeProxy.html#attr_proxyNode">proxyNode</a> element and
* make it sibling of the <a href="Resize.html#attr_node">node</a>.
*
* @method _renderProxy
* @protected
*/
_renderProxy: function() {
var instance = this,
host = this.get(HOST),
proxyNode = instance.get(PROXY_NODE);
if (!proxyNode.inDoc()) {
host.get(WRAPPER).get(PARENT_NODE).append(
proxyNode.hide()
);
}
},
/**
* Sync the proxy UI with internal values from
* <a href="ResizeProxy.html#property_info">info</a>.
*
* @method _syncProxyUI
* @protected
*/
_syncProxyUI: function() {
var instance = this,
host = this.get(HOST),
info = host.info,
activeHandleNode = host.get(ACTIVE_HANDLE_NODE),
proxyNode = instance.get(PROXY_NODE),
cursor = activeHandleNode.getStyle(CURSOR);
proxyNode.show().setStyle(CURSOR, cursor);
host.delegate.dd.set(DRAG_CURSOR, cursor);
proxyNode.sizeTo(info.offsetWidth, info.offsetHeight);
proxyNode.setXY([ info.left, info.top ]);
}
});
Y.namespace('Plugin');
Y.Plugin.ResizeProxy = ResizeProxy;