ext.grid.griddragzone.html

Ext中文API,学习ext的同志只要你学会ext里的一种控件后其实其他的就大同小异了

        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
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        <td class="msource"><a ext:cls="Ext.dd.DD" ext:member="#autoOffset" href="output/Ext.dd.DD.html#autoOffset">DD</a></td>
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        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
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        <a id="Ext.grid.GridDragZone-b4Drag"></a>
            <b>b4Drag</b>() : void            <div class="mdesc">
                        <div class="short">Event that fires prior to the onDrag event.  Overrides
Ext.dd.DragDrop.</div>
            <div class="long">
                Event that fires prior to the onDrag event.  Overrides
Ext.dd.DragDrop.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li>None.</li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DD" ext:member="#b4Drag" href="output/Ext.dd.DD.html#b4Drag">DD</a></td>
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        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.grid.GridDragZone-b4MouseDown"></a>
            <b>b4MouseDown</b>() : void            <div class="mdesc">
                        <div class="short">Event that fires prior to the onMouseDown event.  Overrides
Ext.dd.DragDrop.</div>
            <div class="long">
                Event that fires prior to the onMouseDown event.  Overrides
Ext.dd.DragDrop.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li>None.</li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DD" ext:member="#b4MouseDown" href="output/Ext.dd.DD.html#b4MouseDown">DD</a></td>
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        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
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        <a id="Ext.grid.GridDragZone-beforeDragDrop"></a>
            <b>beforeDragDrop</b>(&nbsp;<code>Ext.dd.DragDrop target</code>, <code>Event e</code>, <code>String id</code>&nbsp;) : Boolean            <div class="mdesc">
                        <div class="short">An empty function by default, but provided so that you can perform a custom action before the dragged
item is dropped...</div>
            <div class="long">
                An empty function by default, but provided so that you can perform a custom action before the dragged
item is dropped onto the target and optionally cancel the onDragDrop.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>target</code> : Ext.dd.DragDrop<div class="sub-desc">The drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event object</div></li><li><code>id</code> : String<div class="sub-desc">The id of the dragged element</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>Boolean</code><div class="sub-desc">isValid True if the drag drop event is valid, else false to cancel</div></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DragSource" ext:member="#beforeDragDrop" href="output/Ext.dd.DragSource.html#beforeDragDrop">DragSource</a></td>
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        <tr class="method-row inherited expandable">
        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.grid.GridDragZone-beforeDragEnter"></a>
            <b>beforeDragEnter</b>(&nbsp;<code>Ext.dd.DragDrop target</code>, <code>Event e</code>, <code>String id</code>&nbsp;) : Boolean            <div class="mdesc">
                        <div class="short">An empty function by default, but provided so that you can perform a custom action
before the dragged item enters the...</div>
            <div class="long">
                An empty function by default, but provided so that you can perform a custom action
before the dragged item enters the drop target and optionally cancel the onDragEnter.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>target</code> : Ext.dd.DragDrop<div class="sub-desc">The drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event object</div></li><li><code>id</code> : String<div class="sub-desc">The id of the dragged element</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>Boolean</code><div class="sub-desc">isValid True if the drag event is valid, else false to cancel</div></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DragSource" ext:member="#beforeDragEnter" href="output/Ext.dd.DragSource.html#beforeDragEnter">DragSource</a></td>
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        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
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        <a id="Ext.grid.GridDragZone-beforeDragOut"></a>
            <b>beforeDragOut</b>(&nbsp;<code>Ext.dd.DragDrop target</code>, <code>Event e</code>, <code>String id</code>&nbsp;) : Boolean            <div class="mdesc">
                        <div class="short">An empty function by default, but provided so that you can perform a custom action before the dragged
item is dragged...</div>
            <div class="long">
                An empty function by default, but provided so that you can perform a custom action before the dragged
item is dragged out of the target without dropping, and optionally cancel the onDragOut.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>target</code> : Ext.dd.DragDrop<div class="sub-desc">The drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event object</div></li><li><code>id</code> : String<div class="sub-desc">The id of the dragged element</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>Boolean</code><div class="sub-desc">isValid True if the drag event is valid, else false to cancel</div></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DragSource" ext:member="#beforeDragOut" href="output/Ext.dd.DragSource.html#beforeDragOut">DragSource</a></td>
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        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
        <td class="sig">
        <a id="Ext.grid.GridDragZone-beforeDragOver"></a>
            <b>beforeDragOver</b>(&nbsp;<code>Ext.dd.DragDrop target</code>, <code>Event e</code>, <code>String id</code>&nbsp;) : Boolean            <div class="mdesc">
                        <div class="short">An empty function by default, but provided so that you can perform a custom action
while the dragged item is over the...</div>
            <div class="long">
                An empty function by default, but provided so that you can perform a custom action
while the dragged item is over the drop target and optionally cancel the onDragOver.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>target</code> : Ext.dd.DragDrop<div class="sub-desc">The drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event object</div></li><li><code>id</code> : String<div class="sub-desc">The id of the dragged element</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>Boolean</code><div class="sub-desc">isValid True if the drag event is valid, else false to cancel</div></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DragSource" ext:member="#beforeDragOver" href="output/Ext.dd.DragSource.html#beforeDragOver">DragSource</a></td>
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        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
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        <a id="Ext.grid.GridDragZone-beforeInvalidDrop"></a>
            <b>beforeInvalidDrop</b>(&nbsp;<code>Ext.dd.DragDrop target</code>, <code>Event e</code>, <code>String id</code>&nbsp;) : Boolean            <div class="mdesc">
                        <div class="short">An empty function by default, but provided so that you can perform a custom action after an invalid
drop has occurred.</div>
            <div class="long">
                An empty function by default, but provided so that you can perform a custom action after an invalid
drop has occurred.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>target</code> : Ext.dd.DragDrop<div class="sub-desc">The drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event object</div></li><li><code>id</code> : String<div class="sub-desc">The id of the dragged element</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>Boolean</code><div class="sub-desc">isValid True if the invalid drop should proceed, else false to cancel</div></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DragSource" ext:member="#beforeInvalidDrop" href="output/Ext.dd.DragSource.html#beforeInvalidDrop">DragSource</a></td>
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        <td class="sig">
        <a id="Ext.grid.GridDragZone-cachePosition"></a>
            <b>cachePosition</b>(&nbsp;<code>iPageX the</code>, <code>iPageY the</code>&nbsp;) : void            <div class="mdesc">
                        <div class="short">Saves the most recent position so that we can reset the constraints and
tick marks on-demand.  We need to know this s...</div>
            <div class="long">
                Saves the most recent position so that we can reset the constraints and
tick marks on-demand.  We need to know this so that we can calculate the
number of pixels the element is offset from its original position.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li><code>the</code> : iPageX<div class="sub-desc">current x position (optional, this just makes it so we
don't have to look it up again)</div></li><li><code>the</code> : iPageY<div class="sub-desc">current y position (optional, this just makes it so we
don't have to look it up again)</div></li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DD" ext:member="#cachePosition" href="output/Ext.dd.DD.html#cachePosition">DD</a></td>
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        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
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        <a id="Ext.grid.GridDragZone-clearConstraints"></a>
            <b>clearConstraints</b>() : void            <div class="mdesc">
                        <div class="short">Clears any constraints applied to this instance.  Also clears ticks
since they can't exist independent of a constrain...</div>
            <div class="long">
                Clears any constraints applied to this instance.  Also clears ticks
since they can't exist independent of a constraint at this time.    <div class="mdetail-params">
        <strong>Parameters:</strong>
        <ul><li>None.</li>        </ul>
        <strong>Returns:</strong>
        <ul>
            <li><code>void</code></li>
        </ul>
    </div>
                </div>
                        </div>
        </td>
        <td class="msource"><a ext:cls="Ext.dd.DragDrop" ext:member="#clearConstraints" href="output/Ext.dd.DragDrop.html#clearConstraints">DragDrop</a></td>
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        <a id="Ext.grid.GridDragZone-clearTicks"></a>