Java tutorial
/* OpenRemote, the Home of the Digital Home. * Copyright 2008-2009, OpenRemote Inc. * * See the contributors.txt file in the distribution for a * full listing of individual contributors. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.openremote.modeler.client.widget.propertyform; import org.openremote.modeler.client.widget.uidesigner.GridLayoutContainerHandle; import org.openremote.modeler.client.widget.uidesigner.PropertyPanel; import org.openremote.modeler.domain.Screen; import org.openremote.modeler.domain.component.UIGrid; import com.extjs.gxt.ui.client.event.BaseEvent; import com.extjs.gxt.ui.client.event.Events; import com.extjs.gxt.ui.client.event.Listener; import com.extjs.gxt.ui.client.widget.form.FieldSet; import com.extjs.gxt.ui.client.widget.form.TextField; import com.extjs.gxt.ui.client.widget.layout.FormLayout; import com.google.gwt.user.client.ui.FlexTable; public class GridPropertyForm extends PropertyForm { private GridLayoutContainerHandle gridContainer = null; public GridPropertyForm(GridLayoutContainerHandle gridContainer) { super(gridContainer); this.gridContainer = gridContainer; initForm(); super.addDeleteButton(); } protected void initForm() { this.setFieldWidth(5); final UIGrid grid = gridContainer.getGridlayoutContainer().getGrid(); Screen screen = gridContainer.getScreenCanvas().getScreen(); FieldSet gridAttrSet = new FieldSet(); FormLayout layout = new FormLayout(); layout.setLabelWidth(80); layout.setDefaultWidth(80); gridAttrSet.setLayout(layout); gridAttrSet.setHeading("Grid Attributes"); /* * temp for set the width and height of gird. */ final TextField<String> gridRowCountField = new TextField<String>(); gridRowCountField.setName("gridRow"); gridRowCountField.setFieldLabel("Row Count"); gridRowCountField.setAllowBlank(false); gridRowCountField.setRegex("[1-9]"); gridRowCountField.getMessages().setRegexText("The row must between [1-9]"); gridRowCountField.setValue("6"); // temp set 6 rows. gridRowCountField.addListener(Events.Blur, new Listener<BaseEvent>() { @Override public void handleEvent(BaseEvent be) { grid.setRowCount(Integer.parseInt(gridRowCountField.getValue())); updateGrid(); } }); final TextField<String> gridColumnCountField = new TextField<String>(); gridColumnCountField.setName("gridColumn"); gridColumnCountField.setFieldLabel("Col Count"); gridColumnCountField.setAllowBlank(false); gridColumnCountField.setRegex("[1-9]"); gridColumnCountField.getMessages().setRegexText("The column must between [1-9]"); gridColumnCountField.setValue("4"); // temp set 4 columns. gridColumnCountField.addListener(Events.Blur, new Listener<BaseEvent>() { @Override public void handleEvent(BaseEvent be) { grid.setColumnCount(Integer.parseInt(gridColumnCountField.getValue())); updateGrid(); } }); final TextField<String> posLeftField = new TextField<String>(); posLeftField.setName("posLeft"); posLeftField.setFieldLabel("Left"); posLeftField.setAllowBlank(false); posLeftField.setRegex("^\\d+$"); posLeftField.getMessages().setRegexText("The left must be a nonnegative integer"); posLeftField.setValue("0"); // temp set left 0 posLeftField.addListener(Events.Blur, new Listener<BaseEvent>() { @Override public void handleEvent(BaseEvent be) { grid.setLeft(Integer.parseInt(posLeftField.getValue())); updateGrid(); } }); final TextField<String> posTopField = new TextField<String>(); posTopField.setName("posTop"); posTopField.setFieldLabel("Top"); posTopField.setAllowBlank(false); posTopField.setRegex("^\\d+$"); posTopField.getMessages().setRegexText("The top must be a nonnegative integer"); posTopField.setValue("0"); // temp set top 0 posTopField.addListener(Events.Blur, new Listener<BaseEvent>() { @Override public void handleEvent(BaseEvent be) { grid.setTop(Integer.parseInt(posTopField.getValue())); updateGrid(); } }); final TextField<String> widthField = new TextField<String>(); widthField.setName("width"); widthField.setFieldLabel("Width"); widthField.setAllowBlank(false); widthField.setRegex("^[1-9][0-9]*$"); widthField.getMessages().setRegexText("The width must be a positive integer"); widthField.addListener(Events.Blur, new Listener<BaseEvent>() { @Override public void handleEvent(BaseEvent be) { grid.setWidth(Integer.parseInt(widthField.getValue())); updateGrid(); } }); final TextField<String> heightField = new TextField<String>(); heightField.setName("height"); heightField.setFieldLabel("Height"); heightField.setAllowBlank(false); heightField.setRegex("^[1-9][0-9]*$"); heightField.getMessages().setRegexText("The height must be a positive integer"); heightField.addListener(Events.Blur, new Listener<BaseEvent>() { @Override public void handleEvent(BaseEvent be) { grid.setHeight(Integer.parseInt(heightField.getValue())); updateGrid(); } }); if (screen != null) { gridRowCountField.setValue(grid.getRowCount() + ""); gridColumnCountField.setValue(grid.getColumnCount() + ""); posLeftField.setValue(grid.getLeft() + ""); posTopField.setValue(grid.getTop() + ""); widthField.setValue(grid.getWidth() + ""); heightField.setValue(grid.getHeight() + ""); } gridAttrSet.add(gridRowCountField); gridAttrSet.add(gridColumnCountField); gridAttrSet.add(posLeftField); gridAttrSet.add(posTopField); gridAttrSet.add(widthField); gridAttrSet.add(heightField); add(gridAttrSet); layout(); } private void updateGrid() { FlexTable screenTable = gridContainer.getGridlayoutContainer().getScreenTable(); int rowNums = screenTable.getRowCount(); for (int i = rowNums - 1; i >= 0; i--) { screenTable.removeRow(i); } gridContainer.update(); } @Override protected void afterRender() { super.afterRender(); ((PropertyPanel) this.getParent()).setHeading("Grid properties"); } }