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Initial import of NODEDC BIM Viewer

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2026-06-04 13:25:42 +03:00
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<title data-ice="title">src/toolbar/QueryMode.js | xeokit-viewer</title>
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<li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href="class/src/ViewerUI.js~ViewerUI.html">ViewerUI</a></span></span></li>
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<div class="content" data-ice="content"><h1 data-ice="title">src/toolbar/QueryMode.js</h1>
<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import {Controller} from &quot;../Controller.js&quot;;
import {math} from &quot;@xeokit/xeokit-sdk/src/viewer/scene/math/math.js&quot;;
function closeEnough(p, q) {
const CLICK_DIST = 4;
return (Math.abs(p[0] - q[0]) &lt; 4) &amp;&amp; (Math.abs(p[1] - q[1]) &lt; CLICK_DIST);
}
/** @private */
class QueryMode extends Controller {
constructor(parent, cfg) {
super(parent);
if (!cfg.buttonElement) {
throw &quot;Missing config: buttonElement&quot;;
}
const buttonElement = cfg.buttonElement;
this.on(&quot;enabled&quot;, (enabled) =&gt; {
if (!enabled) {
buttonElement.classList.add(&quot;disabled&quot;);
} else {
buttonElement.classList.remove(&quot;disabled&quot;);
}
});
this.on(&quot;active&quot;, (active) =&gt; {
if (active) {
buttonElement.classList.add(&quot;active&quot;);
} else {
buttonElement.classList.remove(&quot;active&quot;);
}
});
buttonElement.addEventListener(&quot;click&quot;, (event) =&gt; {
if (!this.getEnabled()) {
return;
}
const active = this.getActive();
this.setActive(!active);
event.preventDefault();
});
this.viewerUI.on(&quot;reset&quot;, ()=&gt;{
this.setActive(false);
});
this._initQueryMode();
}
_initQueryMode() {
const viewer = this.viewer;
const cameraControl = viewer.cameraControl;
var entity = null;
this._onHover = cameraControl.on(&quot;hover&quot;, (e) =&gt; {
if (!this.getActive() || !this.getEnabled()) {
return;
}
if (entity) {
entity.highlighted = false;
entity = null;
}
entity = e.entity;
entity.highlighted = true;
});
this._onHoverOff = cameraControl.on(&quot;hoverOff&quot;, (e) =&gt; {
if (!this.getActive() || !this.getEnabled()) {
return;
}
if (entity) {
entity.highlighted = false;
entity = null;
}
});
const lastCoords = math.vec2();
this._onMousedown = viewer.scene.input.on(&quot;mousedown&quot;, (coords) =&gt; {
if (!this.getActive() || !this.getEnabled()) {
return;
}
lastCoords[0] = coords[0];
lastCoords[1] = coords[1];
});
this._onMouseup = viewer.scene.input.on(&quot;mouseup&quot;, (coords) =&gt; {
if (!this.getActive() || !this.getEnabled()) {
return;
}
if (entity) {
if (!closeEnough(lastCoords, coords)) {
entity = null;
return;
}
this.fire(&quot;queryPicked&quot;, entity.id);
entity = null;
} else {
this.fire(&quot;queryNotPicked&quot;, false);
}
});
}
}
export {QueryMode};</code></pre>
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