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2010-06-01T06:35:33Z

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в 18:01, 31 мая 2010

2010-05-31T18:01:44Z

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== Tooltip component for GWT ==



<source lang="java">

package com.jexp.gwt.client;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.MouseListenerAdapter;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.DockPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Image;
public class GWTClient implements EntryPoint {
public void onModuleLoad() {
Image img = new Image("./yourImage.jpg");
img.addMouseListener(
new TooltipListener(
"your text", 5000 /* timeout in milliseconds*/,"yourcssclass"));
RootPanel.get().add(img);
}
}
/*
Tooltip component for GWT
Copyright (C) 2006 Alexei Sokolov http://gwt.ruponents.googlepages.ru/
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.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

class TooltipListener extends MouseListenerAdapter {
private static final String DEFAULT_TOOLTIP_STYLE = "TooltipPopup";
private static final int DEFAULT_OFFSET_X = 10;
private static final int DEFAULT_OFFSET_Y = 35;
private static class Tooltip extends PopupPanel {
private int delay;
public Tooltip(Widget sender, int offsetX, int offsetY,
final String text, final int delay, final String styleName) {
super(true);
this.delay = delay;
HTML contents = new HTML(text);
add(contents);
int left = sender.getAbsoluteLeft() + offsetX;
int top = sender.getAbsoluteTop() + offsetY;
setPopupPosition(left, top);
setStyleName(styleName);
}
public void show() {
super.show();
Timer t = new Timer() {
public void run() {
Tooltip.this.hide();
}
};
t.schedule(delay);
}
}
private Tooltip tooltip;
private String text;
private String styleName;
private int delay;
private int offsetX = DEFAULT_OFFSET_X;
private int offsetY = DEFAULT_OFFSET_Y;
public TooltipListener(String text, int delay) {
this(text, delay, DEFAULT_TOOLTIP_STYLE);
}
public TooltipListener(String text, int delay, String styleName) {
this.text = text;
this.delay = delay;
this.styleName = styleName;
}
public void onMouseEnter(Widget sender) {
if (tooltip != null) {
tooltip.hide();
}
tooltip = new Tooltip(sender, offsetX, offsetY, text, delay, styleName);
tooltip.show();
}
public void onMouseLeave(Widget sender) {
if (tooltip != null) {
tooltip.hide();
}
}
public String getStyleName() {
return styleName;
}
public void setStyleName(String styleName) {
this.styleName = styleName;
}
public int getOffsetX() {
return offsetX;
}
public void setOffsetX(int offsetX) {
this.offsetX = offsetX;
}
public int getOffsetY() {
return offsetY;
}
public void setOffsetY(int offsetY) {
this.offsetY = offsetY;
}
}

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010