teichmann@5835: package org.dive4elements.river.client.client.ui.map;
ingo@800: 
ingo@800: import com.google.gwt.core.client.GWT;
ingo@800: import com.smartgwt.client.types.SelectionType;
ingo@800: import com.smartgwt.client.widgets.ImgButton;
ingo@800: import com.smartgwt.client.widgets.events.ClickEvent;
ingo@800: import com.smartgwt.client.widgets.events.ClickHandler;
ingo@800: import com.smartgwt.client.widgets.form.DynamicForm;
christian@4965: import com.smartgwt.client.widgets.form.fields.FormItem;
ingo@800: import com.smartgwt.client.widgets.form.fields.SelectItem;
ingo@800: import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
ingo@800: import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
ingo@800: import com.smartgwt.client.widgets.layout.HLayout;
ingo@800: 
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
teichmann@5835: import org.dive4elements.river.client.client.utils.EnableDisableCmd;
christian@4965: 
christian@4965: import java.util.LinkedHashMap;
christian@4965: 
ingo@800: import org.gwtopenmaps.openlayers.client.Map;
ingo@1315: import org.gwtopenmaps.openlayers.client.Style;
ingo@800: import org.gwtopenmaps.openlayers.client.control.Control;
ingo@800: import org.gwtopenmaps.openlayers.client.control.DrawFeature;
ingo@850: import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener;
ingo@850: import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
ingo@800: import org.gwtopenmaps.openlayers.client.handler.Handler;
ingo@800: import org.gwtopenmaps.openlayers.client.handler.PathHandler;
ingo@800: import org.gwtopenmaps.openlayers.client.handler.PolygonHandler;
ingo@800: import org.gwtopenmaps.openlayers.client.layer.Vector;
ingo@850: import org.gwtopenmaps.openlayers.client.util.Attributes;
ingo@800: 
christian@5609: /**
christian@5609:  * Widget that handles the drawing of pipes and dikes in the DigitizePanel (MapPanel).
christian@5609:  */
ingo@850: public class DrawControl extends HLayout implements VectorFeatureAddedListener {
ingo@800: 
ingo@800:     public static final String BARRIER_PIPE1    = "pipe1";
ingo@800:     public static final String BARRIER_PIPE2    = "pipe2";
ingo@800:     public static final String BARRIER_DITCH    = "ditch";
ingo@800:     public static final String BARRIER_DAM      = "dam";
ingo@800:     public static final String BARRIER_RINGDIKE = "ring_dike";
ingo@800: 
christian@5609:     // FIXME: i18n
ingo@882:     public static final String BARRIER_PIPE1_VALUE    = "Rohr 1";
ingo@882:     public static final String BARRIER_PIPE2_VALUE    = "Rohr 2";
ingo@882:     public static final String BARRIER_DITCH_VALUE    = "Graben";
ingo@882:     public static final String BARRIER_DAM_VALUE      = "Damm";
ingo@882:     public static final String BARRIER_RINGDIKE_VALUE = "Ringdeich";
ingo@882: 
ingo@800:     public static final String FIELD_BARRIER_TYPE = "field_barrier_type";
ingo@800: 
ingo@800: 
ingo@800:     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
ingo@800: 
ingo@800:     protected EnableDisableCmd cmd;
ingo@800: 
ingo@800:     protected ImgButton   button;
ingo@800:     protected DynamicForm form;
ingo@800: 
ingo@800:     protected Map    map;
ingo@800:     protected Vector layer;
ingo@800: 
ingo@800:     protected Control control;
ingo@800: 
ingo@800: 
ingo@800:     public DrawControl(Map map, Vector layer, EnableDisableCmd cmd) {
ingo@800:         this.map   = map;
ingo@800:         this.layer = layer;
ingo@800:         this.cmd   = cmd;
ingo@800: 
ingo@800:         initialize();
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected void initialize() {
ingo@800:         setWidth(100);
ingo@800:         setMembersMargin(0);
ingo@800: 
ingo@800:         button = new ImgButton();
ingo@800: 
christian@5609:         final String baseUrl = GWT.getHostPageBaseURL();
ingo@800:         button.setSrc(baseUrl + MSG.digitize());
ingo@800:         button.setActionType(SelectionType.CHECKBOX);
ingo@800:         button.setSize(20);
ingo@800:         button.setShowRollOver(false);
ingo@800:         button.setSelected(false);
ingo@880:         button.setTooltip(MSG.digitizeObjects());
ingo@800: 
ingo@800:         button.addClickHandler(new ClickHandler() {
christian@4965:             @Override
ingo@800:             public void onClick(ClickEvent e) {
ingo@800:                 if (button.isSelected()) {
ingo@800:                     cmd.enable();
ingo@800:                 }
ingo@800:                 else {
ingo@800:                     cmd.disable();
ingo@800:                 }
ingo@800:             }
ingo@800:         });
ingo@800: 
ingo@800:         form = new DynamicForm();
ingo@1311:         form.setWidth(100);
ingo@800:         form.setTitlePrefix("");
ingo@800:         form.setTitleSuffix("");
ingo@800: 
christian@5609:         final LinkedHashMap<String, String> map = new LinkedHashMap<String, String>();
ingo@800:         map.put(BARRIER_PIPE1, MSG.getString(BARRIER_PIPE1));
ingo@800:         map.put(BARRIER_PIPE2, MSG.getString(BARRIER_PIPE2));
ingo@800:         map.put(BARRIER_DITCH, MSG.getString(BARRIER_DITCH));
ingo@800:         map.put(BARRIER_DAM, MSG.getString(BARRIER_DAM));
ingo@800:         map.put(BARRIER_RINGDIKE, MSG.getString(BARRIER_RINGDIKE));
ingo@800: 
christian@5609:         final LinkedHashMap<String, String> ics = new LinkedHashMap<String, String>();
ingo@1311:         ics.put(BARRIER_PIPE1, BARRIER_PIPE1);
ingo@1311:         ics.put(BARRIER_PIPE2, BARRIER_PIPE2);
ingo@1311:         ics.put(BARRIER_DITCH, BARRIER_DITCH);
ingo@1311:         ics.put(BARRIER_DAM, BARRIER_DAM);
ingo@1311:         ics.put(BARRIER_RINGDIKE, BARRIER_RINGDIKE);
ingo@1311: 
christian@5609:         final SelectItem box = new SelectItem(FIELD_BARRIER_TYPE);
ingo@800:         box.setTitle("");
ingo@1311:         box.setWidth(100);
ingo@800:         box.setValueMap(map);
ingo@1311:         box.setImageURLSuffix(".png");
ingo@1311:         box.setValueIcons(ics);
ingo@1311: 
ingo@800:         box.addChangedHandler(new ChangedHandler() {
christian@4965:             @Override
ingo@800:             public void onChanged(ChangedEvent e) {
ingo@800:                 setSelectedControl();
ingo@800:             }
ingo@800:         });
ingo@800: 
ingo@800:         form.setFields(box);
ingo@800: 
ingo@800:         addMember(button);
ingo@800:         addMember(form);
ingo@800: 
ingo@850:         layer.addVectorFeatureAddedListener(this);
ingo@850: 
ingo@800:         activate(false);
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected String getSelectedType() {
ingo@800:         return form.getValueAsString(FIELD_BARRIER_TYPE);
ingo@800:     }
ingo@800: 
ingo@800: 
christian@4965:     @Override
ingo@850:     public void onFeatureAdded(FeatureAddedEvent evt) {
ingo@850:         setCurrentType(evt.getVectorFeature());
ingo@850:     }
ingo@850: 
ingo@850: 
ingo@850:     protected void setCurrentType(VectorFeature feature) {
christian@5609:         final Attributes attrs = feature.getAttributes();
ingo@850:         String     type  = attrs.getAttributeAsString("typ");
ingo@850: 
ingo@850:         if (type == null || type.length() == 0) {
ingo@850:             type = getSelectedType();
ingo@860: 
christian@5609:             final Style style = FloodMap.getStyle(type);
ingo@1315:             if (style != null) {
ingo@1315:                 feature.setStyle(style);
ingo@1315:             }
ingo@882: 
ingo@860:             if (type.equals(BARRIER_PIPE1)) {
ingo@882:                 attrs.setAttribute("typ", BARRIER_PIPE1_VALUE);
ingo@860:             }
ingo@860:             else if (type.equals(BARRIER_PIPE2)) {
ingo@882:                 attrs.setAttribute("typ", BARRIER_PIPE2_VALUE);
ingo@860:             }
ingo@860:             else if (type.equals(BARRIER_DAM)) {
ingo@882:                 attrs.setAttribute("typ", BARRIER_DAM_VALUE);
ingo@860:             }
ingo@860:             else if (type.equals(BARRIER_DITCH)) {
ingo@882:                 attrs.setAttribute("typ", BARRIER_DITCH_VALUE);
ingo@860:             }
ingo@860:             else if (type.equals(BARRIER_RINGDIKE)) {
ingo@882:                 attrs.setAttribute("typ", BARRIER_RINGDIKE_VALUE);
ingo@860:             }
ingo@882: 
ingo@882:             layer.redraw();
ingo@850:         }
ingo@850:     }
ingo@850: 
ingo@850: 
ingo@800:     protected void removeControl() {
ingo@800:         if (control != null) {
ingo@800:             control.deactivate();
ingo@800:             map.removeControl(control);
ingo@800:         }
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected void setSelectedControl() {
ingo@800:         removeControl();
ingo@800: 
christian@5609:         final String type = getSelectedType();
ingo@800: 
ingo@800:         if (type == null || type.length() == 0) {
ingo@800:             return;
ingo@800:         }
ingo@800: 
ingo@800:         if (type.equalsIgnoreCase(BARRIER_RINGDIKE)) {
ingo@800:             control = createDrawPolygonControl();
ingo@800:         }
ingo@800:         else {
ingo@800:             control = createDrawLineControl();
ingo@800:         }
ingo@800: 
ingo@800:         map.addControl(control);
ingo@800:         control.activate();
christian@5609: 
christian@5609:         // Make sure the barrier layer is on top; sometime it looses it z-index...
christian@5609:         layer.setZIndex(1000);
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected Control createDrawControl(Handler handler) {
ingo@800:         return new DrawFeature(layer, handler);
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected Control createDrawPolygonControl() {
ingo@800:         return createDrawControl(new PolygonHandler());
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected Control createDrawLineControl() {
ingo@800:         return createDrawControl(new PathHandler());
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     public void activate(boolean activate) {
christian@5609:         final FormItem item = form.getField(FIELD_BARRIER_TYPE);
ingo@800: 
ingo@800:         if (activate) {
ingo@800:             button.select();
ingo@800:             item.enable();
ingo@800:             setSelectedControl();
ingo@800:         }
ingo@800:         else {
ingo@800:             removeControl();
ingo@800:             button.deselect();
ingo@800:             item.disable();
ingo@800:         }
ingo@800:     }
ingo@800: }
ingo@800: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :