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index.zulzul<zk xmlns:w="client" xmlns:ca="client/attribute">
<style>
.dropitem.z-drag-over{
border-top: red 2px solid;
}
.dropitem{
border-top: transparent 2px solid;
}
.dropnewitem > ul{
position: relative;
}
.dropnewitem.z-drag-over > ul::after{
content: "+";
text-align: center;
border-top: 2px green solid;
}
.dropnewitem > ul::after{
content: "";
//position: absolute;
//bottom: -30px;
display: block;
height: 32px;
width: 100%;
border-top: 2px transparent solid;
}
</style>
<script><![CDATA[
zk.afterLoad("zk, zkmax, zkmax.nav", function () {
var _xNavitem = {};
zk.override(zkmax.nav.Navitem.prototype, _xNavitem, {
getDragOptions_: function(_dragoptions) {
var result = _xNavitem.getDragOptions_.apply(this, arguments);
if(!result.scroll){
result.scroll = this.getNavbar();
result.scrollMarginX = 0.4;
result.scrollMarginY = 0.4;
result.speedMultiplier = 20;
}
console.log("returning scrolling options. scroll target = " + jq(result.scroll)[0]);
return result;
}
});
var _xDraggable = {};
function ratioToSpeed(ratio, scrollMargin){
var centerOffset = ratio * 2 - 1;
return Math.max(Math.abs(centerOffset) - (1-scrollMargin), 0) * Math.sign(centerOffset) / scrollMargin;
}
zk.override(zk.Draggable.prototype, _xDraggable, {
_updateDrag: function (pt, evt) {
var oldScroll = this.opts.scroll;
this.opts.scroll = null;
var result = _xDraggable._updateDrag.apply(this, arguments);
this.opts.scroll = oldScroll;
if (this.opts.scroll) {
this._stopScrolling();
var p;
if (this.opts.scroll == window) {
/*default ZK code for window goes here*/
} else {
var scrollRect = this.opts.scroll.getBoundingClientRect();
var cursorRatioX = ((evt.domEvent.clientX - scrollRect.left) / scrollRect.width);
var cursorRatioY = ((evt.domEvent.clientY - scrollRect.top) / scrollRect.height);
var speed = [0,0],
speedMultiplier = this.opts.speedMultiplier;
speed[0] = ratioToSpeed(cursorRatioX, this.opts.scrollMarginX) * speedMultiplier;
speed[1] = ratioToSpeed(cursorRatioY, this.opts.scrollMarginY) * speedMultiplier;
this._startScrolling(speed);
}
}
// fix AppleWebKit rendering
if (navigator.appVersion.indexOf('AppleWebKit') > 0) window.scrollBy(0,0);
evt.stop();
}
});
zkmax.nav.NavitemEx = zk.$extends(zkmax.nav.Navitem, {
doSelect_: function() {
var navbar = this.getNavbar();
var navWgt = this;
while(navWgt !== navbar) {
if(navWgt._isPopup) {
navWgt._doMouseLeave();
return;
}
navWgt = navWgt.parent;
}
}
});
});
]]></script>
<div apply="pkg$.TestComposer">
<div height="200px"></div>
<window height="200px" width="400px">
<navbar id="nb" orient="vertical" hflex="1" sclass="dropnewitem" droppable="true"
vflex="1" style="overflow-y:auto !important">
<navitem label="Home" iconSclass="z-icon-home" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<nav label="Get Started" iconSclass="z-icon-th-list"
sclass="dropitem" draggable="true" droppable="true"
badgeText="3">
<navitem label="Step One" />
<navitem label="Step Two" />
<navitem label="Step Three" />
</nav>
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="About" iconSclass="z-icon-flag" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
<navitem label="Contact" iconSclass="z-icon-envelope" w:use="zkmax.nav.NavitemEx"
sclass="dropitem" draggable="true" droppable="true" />
</navbar>
</window>
</div>
</zk>TestComposer.javajava
import org.zkoss.zk.ui.Components;
import org.zkoss.zk.ui.event.DropEvent;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Listen;
public class TestComposer extends SelectorComposer {
@Listen("onDrop=.dropitem")
public void handleDrop(DropEvent event) {
event.getTarget().getParent().insertBefore(event.getDragged(), event.getTarget());
}
@Listen("onDrop=.dropnewitem")
public void handleDropLast(DropEvent event) {
event.getTarget().insertBefore(event.getDragged(), null);
}
}