com.alkacon.geranium.client.ui.AlertDialog Maven / Gradle / Ivy
Show all versions of geranium-client Show documentation
/*
* This library is part of Geranium -
* an open source UI library for GWT.
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)-
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.alkacon.geranium.client.ui;
import com.alkacon.geranium.client.Messages;
import com.alkacon.geranium.client.ui.I_Button.ButtonColor;
import com.alkacon.geranium.client.ui.I_Button.ButtonStyle;
import com.alkacon.geranium.client.ui.css.I_LayoutBundle;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.dom.client.Style.Display;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Widget;
/**
* Provides an alert dialog with a button.
*/
public class AlertDialog extends Popup implements I_Truncable {
/** The panel for the bottom widgets. */
private FlowPanel m_bottomWidgets;
/** The 'close' button. */
private PushButton m_closeButton;
/** The content text. */
private FlowPanel m_content;
/** The action handler. */
private I_CloseDialogHandler m_handler;
/** The panel for the top widgets. */
private FlowPanel m_topWidgets;
/** The warning message. */
private MessageWidget m_warningMessage;
/**
* Constructor.
*/
public AlertDialog() {
this("", "");
}
/**
* Constructor.
*
* @param title the title and heading of the dialog
* @param content the content text
*/
public AlertDialog(String title, String content) {
this(title, content, Messages.get().key(Messages.GUI_CLOSE_0));
}
/**
* Constructor.
*
* @param title the title and heading of the dialog
* @param content the content text
* @param buttonText the button text
*/
public AlertDialog(String title, String content, String buttonText) {
this(title, content, buttonText, null);
}
/**
* Constructor.
*
* @param title the title and heading of the dialog
* @param content the content text
* @param buttonText the button text
* @param buttonIconClass the button icon class
*/
public AlertDialog(String title, String content, String buttonText, String buttonIconClass) {
super(title, 439);
super.setAutoHideEnabled(false);
super.setModal(true);
setGlassEnabled(true);
// create the dialogs content panel
m_content = new FlowPanel();
m_content.addStyleName(I_LayoutBundle.INSTANCE.dialogCss().alertMainContent());
// create the top widget panel
m_topWidgets = new FlowPanel();
m_topWidgets.addStyleName(I_LayoutBundle.INSTANCE.dialogCss().alertTopContent());
m_topWidgets.getElement().getStyle().setDisplay(Display.NONE);
m_content.add(m_topWidgets);
// create the warning message
m_warningMessage = new MessageWidget();
m_warningMessage.addStyleName(I_LayoutBundle.INSTANCE.generalCss().border());
m_warningMessage.setMessageHtml(content);
m_content.add(m_warningMessage);
// create the bottom widget panel
m_bottomWidgets = new FlowPanel();
m_bottomWidgets.addStyleName(I_LayoutBundle.INSTANCE.dialogCss().alertBottomContent());
m_bottomWidgets.getElement().getStyle().setDisplay(Display.NONE);
m_content.add(m_bottomWidgets);
// set the content to the popup
setMainContent(m_content);
// add the close button
m_closeButton = new PushButton();
m_closeButton.setText(buttonText);
m_closeButton.setImageClass(buttonIconClass);
m_closeButton.setUseMinWidth(true);
m_closeButton.setButtonStyle(ButtonStyle.TEXT, ButtonColor.BLUE);
m_closeButton.addClickHandler(new ClickHandler() {
/**
* @see com.google.gwt.event.dom.client.ClickHandler#onClick(com.google.gwt.event.dom.client.ClickEvent)
*/
public void onClick(ClickEvent event) {
onClose();
}
});
addButton(m_closeButton);
addDialogClose(new Command() {
public void execute() {
onClose();
}
});
}
/**
* Adds a widget to this dialogs bottom content.
*
* @param w the widget to add
*/
public void addBottomWidget(Widget w) {
m_content.removeStyleName(I_LayoutBundle.INSTANCE.dialogCss().alertMainContent());
m_bottomWidgets.getElement().getStyle().clearDisplay();
m_bottomWidgets.add(w);
}
/**
* Adds a widget to this dialogs top content.
*
* @param w the widget to add
*/
public void addTopWidget(Widget w) {
m_content.removeStyleName(I_LayoutBundle.INSTANCE.dialogCss().alertMainContent());
m_topWidgets.getElement().getStyle().clearDisplay();
m_topWidgets.add(w);
}
/**
* @see com.alkacon.geranium.client.ui.Popup#center()
*/
@Override
public void center() {
super.center();
onShow();
}
/**
* Returns the button widget.
*
* @return the button
*/
public PushButton getCloseButton() {
return m_closeButton;
}
/**
* Sets the cancel/close button icon class.
*
* @param iconClass the icon class
*/
public void setCloseIconClass(String iconClass) {
getCloseButton().setImageClass(iconClass);
}
/**
* Sets the close button text.
*
* @param text the button text
*/
public void setCloseText(String text) {
m_closeButton.setText(text);
}
/**
* Sets the dialog handler.
*
* @param handler the handler to set
*/
public void setHandler(I_CloseDialogHandler handler) {
m_handler = handler;
}
/**
* Sets the warning text (HTML possible).
*
* @param warningText the warning text to set
*/
public void setWarningMessage(String warningText) {
m_warningMessage.setMessageHtml(warningText);
}
/**
* @see com.alkacon.geranium.client.ui.Popup#show()
*/
@Override
public void show() {
super.show();
onShow();
}
/**
* @see com.alkacon.geranium.client.ui.I_Truncable#truncate(java.lang.String, int)
*/
public void truncate(String textMetricsKey, int clientWidth) {
for (Widget w : m_topWidgets) {
if (w instanceof I_Truncable) {
((I_Truncable)w).truncate(textMetricsKey, clientWidth);
}
}
}
/**
* Returns the dialog handler.
*
* @return the dialog handler
*/
protected I_CloseDialogHandler getHandler() {
return m_handler;
}
/**
* Returns the top widgets panel.
*
* @return the top widgets panel
*/
protected FlowPanel getTopWidgets() {
return m_topWidgets;
}
/**
* Executed on 'close' click.
*/
protected void onClose() {
getCloseButton().setEnabled(false);
if (getHandler() != null) {
getHandler().onClose();
}
hide();
}
/**
* Executed when the dialog is shown.
*/
protected void onShow() {
getCloseButton().setEnabled(true);
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
public void execute() {
truncate(AlertDialog.this.hashCode() + "", getTopWidgets().getElement().getClientWidth());
}
});
}
}