teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5861:  * This file is Free Software under the GNU AGPL (>=v3) 
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5861:  * documentation coming with Dive4Elements River for details. 
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui;
ingo@787: 
ingo@787: import com.google.gwt.core.client.GWT;
ingo@787: 
ingo@791: import com.smartgwt.client.data.DataSource;
ingo@791: import com.smartgwt.client.data.DataSourceField;
ingo@791: import com.smartgwt.client.types.Alignment;
ingo@791: import com.smartgwt.client.types.FieldType;
ingo@791: import com.smartgwt.client.types.TitleOrientation;
ingo@787: import com.smartgwt.client.widgets.Canvas;
ingo@787: import com.smartgwt.client.widgets.Label;
ingo@787: import com.smartgwt.client.widgets.form.DynamicForm;
ingo@791: import com.smartgwt.client.widgets.form.events.ItemChangedEvent;
ingo@791: import com.smartgwt.client.widgets.form.events.ItemChangedHandler;
ingo@791: import com.smartgwt.client.widgets.form.validator.Validator;
ingo@787: import com.smartgwt.client.widgets.layout.HLayout;
ingo@787: 
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
teichmann@5835: import org.dive4elements.river.client.shared.model.Data;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataList;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultData;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultDataItem;
ingo@791: 
christian@4184: import java.util.ArrayList;
christian@4184: import java.util.List;
ingo@787: 
ingo@787: 
ingo@787: /**
ingo@787:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@787:  */
ingo@791: public class TextProvider
ingo@791: extends      AbstractUIProvider
ingo@791: implements   ItemChangedHandler
ingo@791: {
christian@4184:     private static final long serialVersionUID = -6868303464989138497L;
ingo@787: 
ingo@791:     public static final String FIELD_NAME  = "textprovider_inputfield";
ingo@791:     public static final int    FORM_WIDTH  = 400;
ingo@791:     public static final int    TITLE_WIDTH = 75;
ingo@791: 
ingo@791: 
ingo@791:     protected static FLYSConstants MSG = GWT.create(FLYSConstants.class);
ingo@787: 
ingo@787:     protected DynamicForm form;
ingo@787: 
ingo@787: 
ingo@787:     @Override
ingo@787:     public Canvas create(DataList dataList) {
ingo@794:         Canvas form = createForm();
ingo@794: 
ingo@794:         initDefaultValues(dataList);
ingo@794: 
ingo@794:         return form;
ingo@787:     }
ingo@787: 
ingo@787: 
ingo@787:     protected Canvas createForm() {
ingo@787:         return createForm(null);
ingo@787:     }
ingo@787: 
ingo@787: 
ingo@787:     protected Canvas createForm(String title) {
ingo@791:         form = new DynamicForm();
ingo@791:         form.addItemChangedHandler(this);
ingo@791:         form.setTitlePrefix("");
ingo@791:         form.setTitleSuffix(": ");
ingo@791:         form.setTitleAlign(Alignment.LEFT);
ingo@791:         form.setTitleOrientation(TitleOrientation.LEFT);
ingo@791:         form.setTitleWidth(getTitleWidth());
ingo@791:         form.setWidth(getFormWidth());
ingo@787: 
ingo@791:         DataSourceField item = createField();
ingo@791:         item.setTitle(title);
ingo@791: 
ingo@791:         Validator validator = getValidator();
ingo@791:         if (validator != null) {
ingo@791:             item.setValidators(validator);
ingo@787:         }
ingo@787: 
ingo@791:         DataSource source = new DataSource();
ingo@791:         source.setFields(item);
ingo@787: 
ingo@791:         form.setDataSource(source);
ingo@787: 
ingo@791:         return form;
ingo@791:     }
ingo@787: 
ingo@791: 
ingo@794:     protected void initDefaultValues(DataList dataList) {
ingo@794:         Data     data = dataList.get(0);
ingo@794:         DataItem item = data.getDefault();
ingo@794: 
ingo@794:         String value = item.getStringValue();
ingo@794: 
ingo@794:         form.setValue(getFieldName(), value);
ingo@794:     }
ingo@794: 
ingo@794: 
ingo@791:     protected DataSourceField createField() {
ingo@791:         return new DataSourceField(getFieldName(), getFieldType());
ingo@791:     }
ingo@791: 
ingo@791: 
felix@1296:     /**
felix@1296:      * Get field name.
felix@1296:      * @return fields name (developer-centric).
felix@1296:      */
ingo@791:     protected String getFieldName() {
ingo@791:         return FIELD_NAME;
ingo@791:     }
ingo@791: 
ingo@791: 
felix@1296:     /**
felix@1296:      * Get field type.
felix@1296:      * @return fields type.
felix@1296:      */
ingo@791:     protected FieldType getFieldType() {
ingo@791:         return FieldType.TEXT;
ingo@791:     }
ingo@791: 
ingo@791: 
ingo@791:     protected Validator getValidator() {
ingo@791:         return null;
ingo@791:     }
ingo@791: 
ingo@791: 
ingo@791:     protected int getFormWidth() {
ingo@791:         return FORM_WIDTH;
ingo@791:     }
ingo@791: 
ingo@791: 
ingo@791:     protected int getTitleWidth() {
ingo@791:         return TITLE_WIDTH;
ingo@791:     }
ingo@791: 
ingo@791: 
felix@1296:     /** @return null. */
ingo@791:     protected String getDataName() {
ingo@791:         return null;
ingo@791:     }
ingo@791: 
ingo@791: 
ingo@791:     protected String getValueAsString() {
ingo@791:         return (String) form.getValue(getFieldName());
ingo@787:     }
ingo@787: 
ingo@787: 
ingo@787:     @Override
ingo@787:     public Canvas createOld(DataList dataList) {
ingo@787:         Data       data  = dataList.get(0);
ingo@787:         DataItem[] items = data.getItems();
ingo@787: 
ingo@787:         HLayout layout = new HLayout();
ingo@787:         Label   label  = new Label(dataList.getLabel());
ingo@787:         Label   value  = new Label(items[0].getLabel());
ingo@787: 
ingo@787:         layout.setHeight(35);
ingo@787:         layout.setWidth(400);
ingo@787:         label.setWidth(200);
ingo@787: 
ingo@787:         layout.addMember(label);
ingo@787:         layout.addMember(value);
ingo@787:         layout.addMember(getBackButton(dataList.getState()));
ingo@787: 
ingo@787:         return layout;
ingo@787:     }
ingo@787: 
ingo@787: 
ingo@787:     @Override
ingo@791:     public List<String> validate() {
ingo@791:         List<String> errors = new ArrayList<String>();
ingo@791: 
ingo@791:         if (!form.validate()) {
ingo@791:             errors.add(MSG.wrongFormat());
ingo@791:         }
ingo@791: 
ingo@791:         return errors;
ingo@791:     }
ingo@791: 
ingo@791: 
ingo@791:     @Override
ingo@787:     protected Data[] getData() {
ingo@791:         String value = getValueAsString();
ingo@791:         String name  = getDataName();
ingo@791: 
ingo@791:         DataItem item = new DefaultDataItem(name, name, value);
ingo@791:         return new Data[] { new DefaultData(
ingo@791:             name, null, null, new DataItem[] { item }) };
ingo@791:     }
ingo@791: 
ingo@791: 
ingo@791:     @Override
ingo@791:     public void onItemChanged(ItemChangedEvent event) {
ingo@791:         form.validate();
ingo@787:     }
ingo@787: }
ingo@787: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :