Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/DrawControl.java @ 5818:a4ff4167be1e
Request feature info on all layers and show it as html if
the server does not return valid gml.
Non queryable layers produce an error message when the request
fails. This is good enough
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Wed, 24 Apr 2013 17:33:27 +0200 |
parents | 80e8ef91223c |
children |
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package de.intevation.flys.client.client.ui.map; import com.google.gwt.core.client.GWT; import com.smartgwt.client.types.SelectionType; import com.smartgwt.client.widgets.ImgButton; import com.smartgwt.client.widgets.events.ClickEvent; import com.smartgwt.client.widgets.events.ClickHandler; import com.smartgwt.client.widgets.form.DynamicForm; import com.smartgwt.client.widgets.form.fields.FormItem; import com.smartgwt.client.widgets.form.fields.SelectItem; import com.smartgwt.client.widgets.form.fields.events.ChangedEvent; import com.smartgwt.client.widgets.form.fields.events.ChangedHandler; import com.smartgwt.client.widgets.layout.HLayout; import de.intevation.flys.client.client.FLYSConstants; import de.intevation.flys.client.client.utils.EnableDisableCmd; import java.util.LinkedHashMap; import org.gwtopenmaps.openlayers.client.Map; import org.gwtopenmaps.openlayers.client.Style; import org.gwtopenmaps.openlayers.client.control.Control; import org.gwtopenmaps.openlayers.client.control.DrawFeature; import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener; import org.gwtopenmaps.openlayers.client.feature.VectorFeature; import org.gwtopenmaps.openlayers.client.handler.Handler; import org.gwtopenmaps.openlayers.client.handler.PathHandler; import org.gwtopenmaps.openlayers.client.handler.PolygonHandler; import org.gwtopenmaps.openlayers.client.layer.Vector; import org.gwtopenmaps.openlayers.client.util.Attributes; /** * Widget that handles the drawing of pipes and dikes in the DigitizePanel (MapPanel). */ public class DrawControl extends HLayout implements VectorFeatureAddedListener { public static final String BARRIER_PIPE1 = "pipe1"; public static final String BARRIER_PIPE2 = "pipe2"; public static final String BARRIER_DITCH = "ditch"; public static final String BARRIER_DAM = "dam"; public static final String BARRIER_RINGDIKE = "ring_dike"; // FIXME: i18n public static final String BARRIER_PIPE1_VALUE = "Rohr 1"; public static final String BARRIER_PIPE2_VALUE = "Rohr 2"; public static final String BARRIER_DITCH_VALUE = "Graben"; public static final String BARRIER_DAM_VALUE = "Damm"; public static final String BARRIER_RINGDIKE_VALUE = "Ringdeich"; public static final String FIELD_BARRIER_TYPE = "field_barrier_type"; protected FLYSConstants MSG = GWT.create(FLYSConstants.class); protected EnableDisableCmd cmd; protected ImgButton button; protected DynamicForm form; protected Map map; protected Vector layer; protected Control control; public DrawControl(Map map, Vector layer, EnableDisableCmd cmd) { this.map = map; this.layer = layer; this.cmd = cmd; initialize(); } protected void initialize() { setWidth(100); setMembersMargin(0); button = new ImgButton(); final String baseUrl = GWT.getHostPageBaseURL(); button.setSrc(baseUrl + MSG.digitize()); button.setActionType(SelectionType.CHECKBOX); button.setSize(20); button.setShowRollOver(false); button.setSelected(false); button.setTooltip(MSG.digitizeObjects()); button.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent e) { if (button.isSelected()) { cmd.enable(); } else { cmd.disable(); } } }); form = new DynamicForm(); form.setWidth(100); form.setTitlePrefix(""); form.setTitleSuffix(""); final LinkedHashMap<String, String> map = new LinkedHashMap<String, String>(); map.put(BARRIER_PIPE1, MSG.getString(BARRIER_PIPE1)); map.put(BARRIER_PIPE2, MSG.getString(BARRIER_PIPE2)); map.put(BARRIER_DITCH, MSG.getString(BARRIER_DITCH)); map.put(BARRIER_DAM, MSG.getString(BARRIER_DAM)); map.put(BARRIER_RINGDIKE, MSG.getString(BARRIER_RINGDIKE)); final LinkedHashMap<String, String> ics = new LinkedHashMap<String, String>(); ics.put(BARRIER_PIPE1, BARRIER_PIPE1); ics.put(BARRIER_PIPE2, BARRIER_PIPE2); ics.put(BARRIER_DITCH, BARRIER_DITCH); ics.put(BARRIER_DAM, BARRIER_DAM); ics.put(BARRIER_RINGDIKE, BARRIER_RINGDIKE); final SelectItem box = new SelectItem(FIELD_BARRIER_TYPE); box.setTitle(""); box.setWidth(100); box.setValueMap(map); box.setImageURLSuffix(".png"); box.setValueIcons(ics); box.addChangedHandler(new ChangedHandler() { @Override public void onChanged(ChangedEvent e) { setSelectedControl(); } }); form.setFields(box); addMember(button); addMember(form); layer.addVectorFeatureAddedListener(this); activate(false); } protected String getSelectedType() { return form.getValueAsString(FIELD_BARRIER_TYPE); } @Override public void onFeatureAdded(FeatureAddedEvent evt) { setCurrentType(evt.getVectorFeature()); } protected void setCurrentType(VectorFeature feature) { final Attributes attrs = feature.getAttributes(); String type = attrs.getAttributeAsString("typ"); if (type == null || type.length() == 0) { type = getSelectedType(); final Style style = FloodMap.getStyle(type); if (style != null) { feature.setStyle(style); } if (type.equals(BARRIER_PIPE1)) { attrs.setAttribute("typ", BARRIER_PIPE1_VALUE); } else if (type.equals(BARRIER_PIPE2)) { attrs.setAttribute("typ", BARRIER_PIPE2_VALUE); } else if (type.equals(BARRIER_DAM)) { attrs.setAttribute("typ", BARRIER_DAM_VALUE); } else if (type.equals(BARRIER_DITCH)) { attrs.setAttribute("typ", BARRIER_DITCH_VALUE); } else if (type.equals(BARRIER_RINGDIKE)) { attrs.setAttribute("typ", BARRIER_RINGDIKE_VALUE); } layer.redraw(); } } protected void removeControl() { if (control != null) { control.deactivate(); map.removeControl(control); } } protected void setSelectedControl() { removeControl(); final String type = getSelectedType(); if (type == null || type.length() == 0) { return; } if (type.equalsIgnoreCase(BARRIER_RINGDIKE)) { control = createDrawPolygonControl(); } else { control = createDrawLineControl(); } map.addControl(control); control.activate(); // Make sure the barrier layer is on top; sometime it looses it z-index... layer.setZIndex(1000); } protected Control createDrawControl(Handler handler) { return new DrawFeature(layer, handler); } protected Control createDrawPolygonControl() { return createDrawControl(new PolygonHandler()); } protected Control createDrawLineControl() { return createDrawControl(new PathHandler()); } public void activate(boolean activate) { final FormItem item = form.getField(FIELD_BARRIER_TYPE); if (activate) { button.select(); item.enable(); setSelectedControl(); } else { removeControl(); button.deselect(); item.disable(); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :