/*******************************************************************************
* Copyright 2015 xWic group (http://www.xwic.de)
*
* Licensed under the Apache License, Version 2.0 (the "License").
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*******************************************************************************/
package de.jwic.samples.controls;
import java.text.DateFormat;
import java.util.Date;
import de.jwic.base.ControlContainer;
import de.jwic.base.IControlContainer;
import de.jwic.controls.Button;
import de.jwic.controls.CheckBoxGroup;
import de.jwic.controls.InputBox;
import de.jwic.controls.LabelControl;
import de.jwic.controls.ListBoxControl;
import de.jwic.events.ElementSelectedEvent;
import de.jwic.events.ElementSelectedListener;
import de.jwic.events.SelectionListener;
/**
*
* Demonstrates the usage of the Checkbox Control.
*
* @author Florian Lippisch
* @version $Revision: 1.4 $
*/
public class CheckboxGroupDemo extends ControlContainer {
private CheckBoxGroup checkbox;
private InputBox txtTitle;
private InputBox txtKey;
private Button btVisible;
private Button btEnabled;
private Button btChange;
private Button btRemove;
private ListBoxControl eventLog;
private LabelControl lblSelected;
private class EventLogListener implements ElementSelectedListener {
public void elementSelected(ElementSelectedEvent event) {
DateFormat df = DateFormat.getDateTimeInstance();
String eventInfo = df.format(new Date()) + ": elementSelected (" + event.getElement() + ")";
eventLog.addElement(eventInfo);
}
}
/**
* Constructor.
* @param container
*/
public CheckboxGroupDemo(IControlContainer container) {
super(container);
// create the button instance
checkbox = new CheckBoxGroup(this, "checkbox");
// add the eventLog listener
checkbox.addElementSelectedListener(new EventLogListener());
// add some entries
checkbox.addElement("Red");
checkbox.addElement("Green");
checkbox.addElement("Blue");
// add Label that displays the selected key.
lblSelected = new LabelControl(this, "lblSelected");
checkbox.addElementSelectedListener(new ElementSelectedListener() {
public void elementSelected(ElementSelectedEvent event) {
lblSelected.setText(checkbox.getSelectedKey());
};
});
// add 'Remove Selected' button
btRemove = new Button(this, "btRemove");
btRemove.setTitle("Remove Selected");
btRemove.addSelectionListener(new SelectionListener() {
public void objectSelected(de.jwic.events.SelectionEvent event) {
removeSelected();
};
});
// add 'Clear button'
Button btClearAll = new Button(this, "btClear");
btClearAll.setTitle("Clear Entries");
btClearAll.addSelectionListener(new SelectionListener() {
public void objectSelected(de.jwic.events.SelectionEvent event) {
clearEntries();
};
});
// Change Combobox Columns
ListBoxControl lbSize = new ListBoxControl(this, "lbSize");
lbSize.addElement("0 - Default", "0");
for (int i = 1; i < 10; i++) {
lbSize.addElement(Integer.toString(i));
}
lbSize.setSelectedKey(Integer.toString(checkbox.getColumns()));
lbSize.setChangeNotification(true);
lbSize.addElementSelectedListener(new ElementSelectedListener() {
public void elementSelected(ElementSelectedEvent event) {
setColumns(Integer.parseInt((String)event.getElement()));
};
});
// Change Width
ListBoxControl lbWidth = new ListBoxControl(this, "lbWidth");
lbWidth.addElement("0 - Unspecified", "0");
for (int i = 50; i < 401; i += 50) {
lbWidth.addElement(Integer.toString(i) + "px", Integer.toString(i));
}
lbWidth.setSelectedKey(Integer.toString(checkbox.getWidth()));
lbWidth.setChangeNotification(true);
lbWidth.addElementSelectedListener(new ElementSelectedListener() {
public void elementSelected(ElementSelectedEvent event) {
checkbox.setWidth(Integer.parseInt((String)event.getElement()));
};
});
// Change Height
ListBoxControl lbHeight = new ListBoxControl(this, "lbHeight");
lbHeight.addElement("0 - Unspecified", "0");
for (int i = 50; i < 401; i += 50) {
lbHeight.addElement(Integer.toString(i) + "px", Integer.toString(i));
}
lbHeight.setSelectedKey(Integer.toString(checkbox.getHeight()));
lbHeight.setChangeNotification(true);
lbHeight.addElementSelectedListener(new ElementSelectedListener() {
public void elementSelected(ElementSelectedEvent event) {
checkbox.setHeight(Integer.parseInt((String)event.getElement()));
};
});
// Add text
txtTitle = new InputBox(this, "title");
txtTitle.setWidth(300); // width in px
txtKey = new InputBox(this, "key");
txtKey.setWidth(100); // width in px
Button btAdd = new Button(this, "btAdd");
btAdd.setTitle("Add");
btAdd.addSelectionListener(new SelectionListener() {
public void objectSelected(de.jwic.events.SelectionEvent event) {
addText();
};
});
btVisible = new Button(this, "btVisible");
btVisible.setTitle(checkbox.isVisible() ? "Set Invisible" : "Set Visible");
btVisible.addSelectionListener(new SelectionListener() {
public void objectSelected(de.jwic.events.SelectionEvent event) {
changeVisible();
};
});
btEnabled = new Button(this, "btEnabled");
btEnabled.setTitle(checkbox.isEnabled() ? "Disable" : "Enable");
btEnabled.addSelectionListener(new SelectionListener() {
public void objectSelected(de.jwic.events.SelectionEvent event) {
changeEnabled();
};
});
btChange = new Button(this, "btChange");
btChange.setTitle(checkbox.isChangeNotification() ? "Disable" : "Enable");
btChange.addSelectionListener(new SelectionListener() {
public void objectSelected(de.jwic.events.SelectionEvent event) {
changeChangeNotification();
};
});
eventLog = new ListBoxControl(this, "eventLog");
eventLog.setSize(8);
}
/**
* Removes all entries from the list.
*/
protected void clearEntries() {
checkbox.clear();
}
/**
* Remove the selected entries.
*/
protected void removeSelected() {
String[] keys = checkbox.getSelectedKeys();
for (int i = 0; i < keys.length; i++) {
checkbox.removeElementByKey(keys[i]);
}
}
/**
* Enable/Disable the changeNotification.
*/
protected void changeChangeNotification() {
checkbox.setChangeNotification(!checkbox.isChangeNotification());
btChange.setTitle(checkbox.isChangeNotification() ? "Disable" : "Enable");
}
/**
* Set the size of the ListBoxControl.
* @param i
*/
protected void setColumns(int i) {
checkbox.setColumns(i);
}
/**
* Change the Enabled property of the button.
*/
protected void changeEnabled() {
checkbox.setEnabled(!checkbox.isEnabled());
btEnabled.setTitle(checkbox.isEnabled() ? "Disable" : "Enable");
}
/**
* Change the Visible property of the button.
*/
protected void changeVisible() {
checkbox.setVisible(!checkbox.isVisible());
btVisible.setTitle(checkbox.isVisible() ? "Set Invisible" : "Set Visible");
}
/**
* Change the text of the Label.
*/
protected void addText() {
if (txtKey.getText().length() != 0) {
checkbox.addElement(txtTitle.getText(), txtKey.getText());
} else {
// if no key is given, the title is used as key.
checkbox.addElement(txtTitle.getText());
}
}
}