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72 lines
2.2 KiB
Java
72 lines
2.2 KiB
Java
package org.gcube.portlets.user.geoportaldataviewer.client.ui.dandd;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEvent;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEvent.DO_LAYER_ACTION;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.dom.client.Element;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.user.client.Event;
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import com.google.gwt.user.client.EventListener;
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import com.google.gwt.user.client.Random;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.Widget;
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public class RangeSlider extends Composite {
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private static RangeSliderUiBinder uiBinder = GWT.create(RangeSliderUiBinder.class);
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interface RangeSliderUiBinder extends UiBinder<Widget, RangeSlider> {
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}
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@UiField
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Element theSlider;
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private String sliderId;
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private HandlerManager applicationBus;
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private LayerItem layer;
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public RangeSlider(HandlerManager applicationBus, LayerItem layer) {
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this.applicationBus = applicationBus;
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this.layer = layer;
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initWidget(uiBinder.createAndBindUi(this));
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sliderId = "slider-" + Random.nextInt();
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theSlider.addClassName("slider");
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theSlider.setId(sliderId);
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theSlider.setTitle("Set opacity of "+layer.getName());
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bindEvents();
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}
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private void bindEvents() {
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Event.sinkEvents(theSlider, Event.ONMOUSEUP);
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Event.setEventListener(theSlider, new EventListener() {
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@Override
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public void onBrowserEvent(Event event) {
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if (Event.ONMOUSEUP == event.getTypeInt()) {
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GWT.log("Event.ONMOUSEUP");
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DoActionOnDetailLayersEvent actionChangeOpacity = new DoActionOnDetailLayersEvent(
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DO_LAYER_ACTION.OPACITY, layer);
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int value = Integer.parseInt((String) theSlider.getPropertyObject("value"));
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//GWT.log("opacity int value: "+value);
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double opacity = (double) ((double) value/100);
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GWT.log("opacity double value: "+opacity);
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actionChangeOpacity.setOpacity(opacity);
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applicationBus.fireEvent(actionChangeOpacity);
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}
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}
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});
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}
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}
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