Java tutorial
/** * * geo-platform * Rich webgis framework * http://geo-platform.org * ==================================================================== * * Copyright (C) 2008-2019 geoSDI Group (CNR IMAA - Potenza - ITALY). * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. This program is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY; without * even the implied warranty of MERCHANTABILITY or FITNESS FOR * A PARTICULAR PURPOSE. See the GNU General Public License * for more details. You should have received a copy of the GNU General * Public License along with this program. If not, see http://www.gnu.org/licenses/ * * ==================================================================== * * Linking this library statically or dynamically with other modules is * making a combined work based on this library. Thus, the terms and * conditions of the GNU General Public License cover the whole combination. * * As a special exception, the copyright holders of this library give you permission * to link this library with independent modules to produce an executable, regardless * of the license terms of these independent modules, and to copy and distribute * the resulting executable under terms of your choice, provided that you also meet, * for each linked independent module, the terms and conditions of the license of * that module. An independent module is a module which is not derived from or * based on this library. If you modify this library, you may extend this exception * to your version of the library, but you are not obligated to do so. If you do not * wish to do so, delete this exception statement from your version. */ package org.geosdi.geoplatform.gui.client.widget.tab.binding; import com.extjs.gxt.ui.client.core.El; import com.extjs.gxt.ui.client.core.XDOM; import com.extjs.gxt.ui.client.event.ButtonEvent; import com.extjs.gxt.ui.client.event.ComponentEvent; import com.extjs.gxt.ui.client.event.Events; import com.extjs.gxt.ui.client.event.Listener; import com.extjs.gxt.ui.client.event.MessageBoxEvent; import com.extjs.gxt.ui.client.event.SelectionListener; import com.extjs.gxt.ui.client.event.SliderEvent; import com.extjs.gxt.ui.client.store.ListStore; import com.extjs.gxt.ui.client.store.Record; import com.extjs.gxt.ui.client.widget.Component; import com.extjs.gxt.ui.client.widget.ComponentPlugin; import com.extjs.gxt.ui.client.widget.Dialog; import com.extjs.gxt.ui.client.widget.Slider; import com.extjs.gxt.ui.client.widget.button.Button; import com.extjs.gxt.ui.client.widget.form.ComboBox; import com.extjs.gxt.ui.client.widget.form.Field; import com.extjs.gxt.ui.client.widget.form.FieldSet; import com.extjs.gxt.ui.client.widget.form.FormPanel; import com.extjs.gxt.ui.client.widget.form.NumberField; import com.extjs.gxt.ui.client.widget.form.SliderField; import com.extjs.gxt.ui.client.widget.layout.FlowLayout; import com.extjs.gxt.ui.client.widget.layout.FormLayout; import com.google.gwt.i18n.client.NumberFormat; import com.google.gwt.user.client.ui.AbstractImagePrototype; import java.util.logging.Level; import org.geosdi.geoplatform.gui.client.BasicWidgetResources; import org.geosdi.geoplatform.gui.client.config.MementoModuleInjector; import org.geosdi.geoplatform.gui.client.i18n.LayerModuleConstants; import org.geosdi.geoplatform.gui.client.model.RasterTreeNode; import org.geosdi.geoplatform.gui.client.model.RasterTreeNode.GPRasterKeyValue; import org.geosdi.geoplatform.gui.client.model.memento.save.IMementoSave; import org.geosdi.geoplatform.gui.client.model.memento.save.storage.AbstractMementoOriginalProperties; import org.geosdi.geoplatform.gui.client.widget.binding.GeoPlatformBindingWidget; import org.geosdi.geoplatform.gui.client.widget.binding.field.GPSliderField; import org.geosdi.geoplatform.gui.client.widget.form.binding.GPFieldBinding; import org.geosdi.geoplatform.gui.client.widget.tab.DisplayLayersTabItem; import org.geosdi.geoplatform.gui.configuration.message.GeoPlatformMessage; import org.geosdi.geoplatform.gui.impl.map.event.MaxScaleLayerMapEvent; import org.geosdi.geoplatform.gui.impl.map.event.MinScaleLayerMapEvent; import org.geosdi.geoplatform.gui.impl.map.event.OpacityLayerMapEvent; import org.geosdi.geoplatform.gui.impl.map.event.SingleTileLayerRequestMapEvent; import org.geosdi.geoplatform.gui.model.GPBooleanBeanModel; import org.geosdi.geoplatform.gui.model.GPRasterBean; import org.geosdi.geoplatform.gui.model.tree.GPLayerTreeModel; import org.geosdi.geoplatform.gui.puregwt.GPHandlerManager; /** * * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group * @email giuseppe.lascaleia@geosdi.org */ public class GPLayerDisplayBinding extends GeoPlatformBindingWidget<GPRasterBean> { private NumberField maxScale; private NumberField minScale; private Slider slider; private GPSliderField sliderField; private GPRasterOpacityFieldBinding opacityFieldBinding; private GPRasterMaxScaleFieldBinding maxScaleFieldBinding; private GPRasterMinScaleFieldBinding minScaleFieldBinding; private final OpacityLayerMapEvent opacityEvent = new OpacityLayerMapEvent(); private final MaxScaleLayerMapEvent maxScaleEvent = new MaxScaleLayerMapEvent(); private final MinScaleLayerMapEvent minScaleEvent = new MinScaleLayerMapEvent(); private ComboBox<GPBooleanBeanModel> singleTileComboBox; private ListStore<GPBooleanBeanModel> singleTileComboBoxStore; private GPRasterComboSingleTileRequestBinding singleTileRequestBinding; @Override public FormPanel createFormPanel() { FormPanel fp = new FormPanel(); fp.setHeaderVisible(false); fp.setFrame(true); fp.setLayout(new FlowLayout()); setSliderProperties(); this.maxScale = new NumberField() { @Override public void setValue(Number value) { super.setValue(value); if (value != null) { NumberFormat nf = NumberFormat.getDecimalFormat(); String formattedValue = nf.format(value.floatValue()).replaceAll(",", ""); maxScale.setRawValue(formattedValue); logger.log(Level.INFO, "Updating maxScale field: " + formattedValue); } } }; this.maxScale.setPropertyEditorType(Float.class); this.maxScale.setFieldLabel(LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_maxScaleNumberFieldText()); this.minScale = new NumberField() { @Override public void setValue(Number value) { super.setValue(value); if (value != null) { NumberFormat nf = NumberFormat.getDecimalFormat(); String formattedValue = nf.format(value.floatValue()).replaceAll(",", ""); minScale.setRawValue(formattedValue); logger.log(Level.INFO, "Updating minScale field: " + formattedValue); } } }; this.minScale.setPropertyEditorType(Float.class); this.minScale.setFieldLabel(LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_minScaleNumberFieldText()); Button removeScale = new Button( LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_removeLimitsButtonText(), AbstractImagePrototype.create(BasicWidgetResources.ICONS.delete()), new SelectionListener<ButtonEvent>() { @Override public void componentSelected(ButtonEvent ce) { GeoPlatformMessage.confirmMessage( LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_removeLimitsMessageTitleText(), LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_removeLimitsMessageBodyText(), new Listener<MessageBoxEvent>() { @Override public void handleEvent(MessageBoxEvent be) { if (Dialog.YES.equals(be.getButtonClicked().getItemId())) { removeScaleLimits(); } } }); } }); final FieldSet scaleFieldSet = new FieldSet(); scaleFieldSet.setLayout(new FormLayout()); scaleFieldSet.setHeadingHtml(LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_limitsByScaleFieldText()); scaleFieldSet.add(maxScale); scaleFieldSet.add(minScale); scaleFieldSet.add(removeScale); final FieldSet opacityFieldSet = new FieldSet(); opacityFieldSet.setHeadingHtml(LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_opacityHeadingText()); opacityFieldSet.setCollapsible(true); opacityFieldSet.addListener(Events.Collapse, new Listener<ComponentEvent>() { @Override public void handleEvent(ComponentEvent be) { ((DisplayLayersTabItem) opacityFieldSet.getParent().getParent()).updateWindowSize(); } }); sliderField = new GPSliderField(this.slider); sliderField.setName(GPRasterKeyValue.OPACITY.toString()); sliderField.removeAllListeners(); opacityFieldSet.add(sliderField); final FieldSet singleTileFieldSet = new FieldSet(); singleTileFieldSet .setHeadingHtml(LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_singleTileRequestHeadingText()); this.singleTileComboBox = new ComboBox<GPBooleanBeanModel>() { @Override protected void onSelect(GPBooleanBeanModel model, int index) { super.onSelect(model, index); singleTileRequestBinding.updateModel(); } }; this.singleTileComboBoxStore = new ListStore<GPBooleanBeanModel>(); this.singleTileComboBoxStore.add(GPBooleanBeanModel.getBooleanInstances()); this.singleTileComboBox.setStore(this.singleTileComboBoxStore); this.singleTileComboBox.setWidth(200); // this.singleTileComboBox.setEmptyText(); this.singleTileComboBox.setTypeAhead(true); this.singleTileComboBox.setTriggerAction(ComboBox.TriggerAction.ALL); this.singleTileComboBox.setDisplayField(GPBooleanBeanModel.GPBooleanKeyValue.Boolean.getValue()); singleTileFieldSet.add(this.singleTileComboBox); fp.add(scaleFieldSet); fp.add(opacityFieldSet); fp.add(singleTileFieldSet); this.singleTileRequestBinding = new GPRasterComboSingleTileRequestBinding(this.singleTileComboBox, GPBooleanBeanModel.GPBooleanKeyValue.Boolean.getValue()); return fp; } @Override public void bindModel(GPRasterBean model) { super.bindModel(model); RasterTreeNode raster = (RasterTreeNode) model; this.singleTileComboBox.setValue(GPBooleanBeanModel.getBooleanInstance(raster.isSingleTileRequest())); } private void removeScaleLimits() { //Copying the value on memento before changes IMementoSave mementoSave = MementoModuleInjector.MainInjector.getInstance().getMementoSave(); AbstractMementoOriginalProperties memento = mementoSave .copyOriginalProperties((GPLayerTreeModel) GPLayerDisplayBinding.this.getModel()); Float scaleValue = null; ((GPRasterBean) GPLayerDisplayBinding.this.getModel()).setMaxScale(null); ((GPRasterBean) GPLayerDisplayBinding.this.getModel()).setMinScale(null); mementoSave.putOriginalPropertiesInCache(memento); maxScaleEvent.setLayer((GPRasterBean) GPLayerDisplayBinding.this.getModel()); maxScaleEvent.setMaxScale(scaleValue); GPHandlerManager.fireEvent(maxScaleEvent); minScaleEvent.setLayer((GPRasterBean) GPLayerDisplayBinding.this.getModel()); minScaleEvent.setMinScale(scaleValue); GPHandlerManager.fireEvent(minScaleEvent); this.maxScale.clear(); this.minScale.clear(); } @Override public void addFieldsBinding() { this.opacityFieldBinding = new GPRasterOpacityFieldBinding(sliderField, GPRasterKeyValue.OPACITY.toString()); this.maxScaleFieldBinding = new GPRasterMaxScaleFieldBinding(this.maxScale, GPRasterKeyValue.MAX_SCALE.toString()); this.minScaleFieldBinding = new GPRasterMinScaleFieldBinding(this.minScale, GPRasterKeyValue.MIN_SCALE.toString()); this.formBinding.addFieldBinding(this.opacityFieldBinding); this.formBinding.addFieldBinding(this.maxScaleFieldBinding); this.formBinding.addFieldBinding(this.minScaleFieldBinding); this.formBinding.addFieldBinding(this.singleTileRequestBinding); } /** * Create and set Slider Properties * */ private void setSliderProperties() { this.slider = new Slider(); slider.setMaxValue(100); slider.addPlugin(createSliderPlugin()); slider.setMessage("{0}% " + LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_sliderMessageText()); slider.addListener(Events.Change, new Listener<SliderEvent>() { @Override public void handleEvent(SliderEvent be) { opacityFieldBinding.setModelProperty(be.getNewValue()); } }); slider.setData("text", LayerModuleConstants.INSTANCE.GPLayerDisplayBinding_sliderDataText()); } /** * Create Plugin for Slider * * @return ComponentPlugin */ private ComponentPlugin createSliderPlugin() { ComponentPlugin plugin = new ComponentPlugin() { @Override public void init(Component component) { component.addListener(Events.Render, new Listener<ComponentEvent>() { @Override public void handleEvent(ComponentEvent be) { El elem = sliderField.el(); // should style in external CSS rather than directly elem.appendChild(XDOM.create("<div style='color: #615f5f;padding: 1 0 2 0px;'>" + slider.getData("text") + "</div>")); } }); } }; return plugin; } /** * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group * @email giuseppe.lascaleia@geosdi.org * * Internal Class GPLayerAliasFieldBinding to map bi-directional Binding * */ private class GPRasterOpacityFieldBinding extends GPFieldBinding { public GPRasterOpacityFieldBinding(SliderField field, String property) { super(field, property); } @Override //From view to model public void setModelProperty(Object val) { //Copying the value on memento before changes IMementoSave mementoSave = MementoModuleInjector.MainInjector.getInstance().getMementoSave(); AbstractMementoOriginalProperties memento = mementoSave .copyOriginalProperties((GPLayerTreeModel) GPLayerDisplayBinding.this.getModel()); ((GPRasterBean) GPLayerDisplayBinding.this.getModel()).setOpacity(((Integer) val).floatValue() / 100); mementoSave.putOriginalPropertiesInCache(memento); opacityEvent.setLayerBean((GPRasterBean) GPLayerDisplayBinding.this.getModel()); GPHandlerManager.fireEvent(opacityEvent); } /** * Updates the field's value and original value with the model value. * Updating the original value will reset the field to a non-dirty * state. * * @param updateOriginalValue true to update the original value */ @Override //From model to view public void updateField(boolean updateOriginalValue) { Float opacity = new Float(((GPRasterBean) GPLayerDisplayBinding.this.getModel()).getOpacity() * 100); ((SliderField) field).setValue(opacity.intValue()); } @Override public void setRecordProperty(Record r, Object val) { } } private class GPRasterMaxScaleFieldBinding extends GPFieldBinding { public GPRasterMaxScaleFieldBinding(NumberField field, String property) { super(field, property); } @Override //From view to model public void setModelProperty(Object val) { //Copying the value on memento before changes IMementoSave mementoSave = MementoModuleInjector.MainInjector.getInstance().getMementoSave(); AbstractMementoOriginalProperties memento = mementoSave .copyOriginalProperties((GPLayerTreeModel) GPLayerDisplayBinding.this.getModel()); Float scaleValue = val != null ? ((Float) val).floatValue() : null; ((GPRasterBean) GPLayerDisplayBinding.this.getModel()).setMaxScale(scaleValue); mementoSave.putOriginalPropertiesInCache(memento); maxScaleEvent.setLayer((GPRasterBean) GPLayerDisplayBinding.this.getModel()); maxScaleEvent.setMaxScale(scaleValue); GPHandlerManager.fireEvent(maxScaleEvent); } @Override public void setRecordProperty(Record r, Object val) { } } private class GPRasterMinScaleFieldBinding extends GPFieldBinding { public GPRasterMinScaleFieldBinding(NumberField field, String property) { super(field, property); } @Override //From view to model public void setModelProperty(Object val) { //Copying the value on memento before changes IMementoSave mementoSave = MementoModuleInjector.MainInjector.getInstance().getMementoSave(); AbstractMementoOriginalProperties memento = mementoSave .copyOriginalProperties((GPLayerTreeModel) GPLayerDisplayBinding.this.getModel()); Float scaleValue = val != null ? ((Float) val).floatValue() : null; ((GPRasterBean) GPLayerDisplayBinding.this.getModel()).setMinScale(scaleValue); mementoSave.putOriginalPropertiesInCache(memento); minScaleEvent.setLayer((GPRasterBean) GPLayerDisplayBinding.this.getModel()); minScaleEvent.setMinScale(scaleValue); GPHandlerManager.fireEvent(minScaleEvent); } @Override public void setRecordProperty(Record r, Object val) { } } private class GPRasterComboSingleTileRequestBinding extends GPFieldBinding { //TODO: creare evento update richiesta single tile private SingleTileLayerRequestMapEvent singleTileLayerRequestMapEvent = new SingleTileLayerRequestMapEvent(); public GPRasterComboSingleTileRequestBinding(Field field, String property) { super(field, property); } @Override //From model to view public void updateField(boolean updateOriginalValue) { // System.out.println("Updating view"); RasterTreeNode raster = ((RasterTreeNode) model); singleTileComboBox.setValue(GPBooleanBeanModel.getBooleanInstance(raster.isSingleTileRequest())); } @Override //From view to model public void setModelProperty(Object val) { // System.out.println("Updating model"); if (val != null && val instanceof GPBooleanBeanModel) { GPBooleanBeanModel booleanString = (GPBooleanBeanModel) val; RasterTreeNode raster = (RasterTreeNode) model; if (booleanString.getBooleanValue() != raster.isSingleTileRequest()) { IMementoSave mementoSave = MementoModuleInjector.MainInjector.getInstance().getMementoSave(); AbstractMementoOriginalProperties memento = mementoSave.copyOriginalProperties(raster); raster.setSingleTileRequest(booleanString.getBooleanValue()); mementoSave.putOriginalPropertiesInCache(memento); singleTileLayerRequestMapEvent.setSingleTileRequest(booleanString.getBooleanValue()); singleTileLayerRequestMapEvent.setLayerBean(raster); GPHandlerManager.fireEvent(singleTileLayerRequestMapEvent); } } } @Override public void setRecordProperty(Record r, Object val) { } } }