Mercurial > dive4elements > river
comparison gwt-client/src/main/java/org/dive4elements/river/client/client/ui/map/MyWMSLoadHandler.java @ 9700:b2768f367dff
handler for wms theme legend
| author | dnt_bjoernsen <d.tironi@bjoernsen.de> |
|---|---|
| date | Wed, 20 Jan 2021 19:06:57 +0100 |
| parents | |
| children |
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| 9699:94362af5928e | 9700:b2768f367dff |
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| 1 package org.dive4elements.river.client.client.ui.map; | |
| 2 | |
| 3 import com.google.gwt.event.dom.client.LoadEvent; | |
| 4 import com.google.gwt.event.shared.HandlerRegistration; | |
| 5 import com.google.gwt.user.client.ui.Image; | |
| 6 import com.smartgwt.client.widgets.layout.HLayout; | |
| 7 | |
| 8 public class MyWMSLoadHandler implements com.google.gwt.event.dom.client.LoadHandler { | |
| 9 private Image m_image; | |
| 10 private HLayout m_row; | |
| 11 private HandlerRegistration m_handelReg; | |
| 12 | |
| 13 public MyWMSLoadHandler(HLayout row, Image image) { | |
| 14 m_image = image; | |
| 15 m_row = row; | |
| 16 m_handelReg = image.addLoadHandler(this); | |
| 17 } | |
| 18 | |
| 19 @Override | |
| 20 public void onLoad(LoadEvent event) { | |
| 21 setDimensions( ); | |
| 22 if (m_handelReg != null) | |
| 23 m_handelReg.removeHandler(); | |
| 24 } | |
| 25 | |
| 26 private void setDimensions() { | |
| 27 final int imageWidth = m_image.getWidth(); | |
| 28 final int imageHeight = m_image.getHeight(); | |
| 29 final double widthPercent = imageWidth / 400.; | |
| 30 | |
| 31 // removing the limit of 150px height (legend can have an infinite height now, | |
| 32 // as long as the width is less/eq 400px; if the width is >400, | |
| 33 // the legend will be scaled to 400px width; the ratio will be kept) | |
| 34 | |
| 35 // final double heightPercent = imageHeight / 150.; | |
| 36 if (widthPercent > 1)// || heightPercent > 1) { | |
| 37 m_image.setSize((int) (imageWidth / widthPercent) + "px", (int) (imageHeight / widthPercent) + "px"); | |
| 38 | |
| 39 | |
| 40 final int minHeight = 30; | |
| 41 m_row.setHeight( m_image.getHeight() < minHeight ? minHeight : m_image.getHeight()); | |
| 42 m_row.setWidth( m_image.getWidth()); | |
| 43 } | |
| 44 } |