com.github.bordertech.wcomponents.examples.theme.WConfirmationButtonExample Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of wcomponents-examples Show documentation
There is a newer version: 1.5.36
package com.github.bordertech.wcomponents.examples.theme;

import com.github.bordertech.wcomponents.Action;
import com.github.bordertech.wcomponents.ActionEvent;
import com.github.bordertech.wcomponents.HeadingLevel;
import com.github.bordertech.wcomponents.Size;
import com.github.bordertech.wcomponents.WAjaxControl;
import com.github.bordertech.wcomponents.WButton;
import com.github.bordertech.wcomponents.WConfirmationButton;
import com.github.bordertech.wcomponents.WContainer;
import com.github.bordertech.wcomponents.WFieldLayout;
import com.github.bordertech.wcomponents.WHeading;
import com.github.bordertech.wcomponents.WLabel;
import com.github.bordertech.wcomponents.WPanel;
import com.github.bordertech.wcomponents.WText;
import com.github.bordertech.wcomponents.WTextField;
import com.github.bordertech.wcomponents.layout.FlowLayout;

/**
 * 
 * An example showing use of a {@link WConfirmationButton}. Rendered as both a button and a link
 * 
 * This component is a specialised version of a {@link WButton} that provides additional client-side functionality
 * commonly associated with a "cancel" button.
 *
 * 
 * When a user presses the button, it displays a confirmation prompt before posting the form to the server.
 *
 * @author Martin Shevchenko
 * @since 1.0.0
 */
public class WConfirmationButtonExample extends WContainer {

	/**
	 * text field.
	 */
	private final WTextField text;

	/**
	 * Creates a WConfirmationButtonExample.
	 */
	public WConfirmationButtonExample() {
		WFieldLayout layout = new WFieldLayout();
		layout.setLabelWidth(25);
		add(layout);

		text = new WTextField();
		layout.addField("Enter some text", text);

		WConfirmationButton clear = new WConfirmationButton("Clear");
		clear.setMessage("Are you really really sure?");

		WConfirmationButton clearLink = new WConfirmationButton("Clear");
		clearLink.setRenderAsLink(true);

		WPanel buttonPanel = new WPanel();
		buttonPanel.setLayout(new FlowLayout(FlowLayout.LEFT, Size.MEDIUM,
				FlowLayout.ContentAlignment.BASELINE));
		buttonPanel.add(clear);
		buttonPanel.add(clearLink);
		layout.addField((WLabel) null, buttonPanel);

		WConfirmationButton ieConfirmButton = new WConfirmationButton("IE Test Confirm");
		ieConfirmButton.setMessage("This should not appear. If it does IE is broken");
		ieConfirmButton.setDisabled(true);
		buttonPanel.add(ieConfirmButton);
		text.setDefaultSubmitButton(ieConfirmButton);

		Action clearAction = new Action() {
			@Override
			public void execute(final ActionEvent event) {
				doClearText();
			}
		};

		clear.setAction(clearAction);
		clearLink.setAction(clearAction);

		addAjaxExample();
	}



	/**
	 * This is used to reproduce a WComponents bug condition to make sure we do not re-create it once it is fixed.
	 * See https://github.com/BorderTech/wcomponents/issues/1266.
	 */
	private void addAjaxExample() {
		add(new WHeading(HeadingLevel.H2, "Confirm as ajax trigger"));
		final String before = "Before";
		final String after = "After";
		final WText ajaxContent = new WText("Before");
		final WPanel target = new WPanel(WPanel.Type.BOX);

		add(target);
		target.add(ajaxContent);

		WButton confirmWithAjax = new WButton("Replace");
		confirmWithAjax.setMessage("Are you sure?");
		confirmWithAjax.setAction(new Action() {
			@Override
			public void execute(final ActionEvent event) {
				ajaxContent.setText(before.equals(ajaxContent.getText()) ? after : before);
			}
		});
		add(confirmWithAjax);
		add(new WAjaxControl(confirmWithAjax, target));
	}



	/**
	 * Clears the contents of the text field.
	 */
	public void doClearText() {
		text.setText(null);
	}
}