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Java/GWT/PopupPanel - История изменений
2026-04-07T02:37:46Z
История изменений этой страницы в вики
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http://jexp.ru/index.php?title=Java/GWT/PopupPanel&diff=7067&oldid=prev
Admin: 1 версия
2010-06-01T06:35:39Z
<p>1 версия</p>
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 06:35, 1 июня 2010</td>
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Admin
http://jexp.ru/index.php?title=Java/GWT/PopupPanel&diff=7066&oldid=prev
в 18:01, 31 мая 2010
2010-05-31T18:01:44Z
<p></p>
<p><b>Новая страница</b></p><div>== Change style for PopupPanel ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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package com.jexp.gwt.client;<br />
import com.google.gwt.core.client.EntryPoint;<br />
import com.google.gwt.user.client.Window;<br />
import com.google.gwt.user.client.ui.Button;<br />
import com.google.gwt.user.client.ui.ClickListener;<br />
import com.google.gwt.user.client.ui.RootPanel;<br />
import com.google.gwt.user.client.ui.Widget;<br />
import com.google.gwt.user.client.ui.PopupPanel;<br />
import com.google.gwt.user.client.ui.HTML;<br />
public class GWTClient implements EntryPoint {<br />
public void onModuleLoad() {<br />
Button b = new Button("Click me", new ClickListener() {<br />
public void onClick(Widget sender) {<br />
MyPopup p = new MyPopup();<br />
int left = sender.getAbsoluteLeft() + 10;<br />
int top = sender.getAbsoluteTop() + 10;<br />
p.setPopupPosition(left, top);<br />
p.show();<br />
}<br />
});<br />
RootPanel.get().add(b);<br />
}<br />
}<br />
class MyPopup extends PopupPanel {<br />
public MyPopup() {<br />
super(true);<br />
HTML contents = new HTML("Click anywhere outside this popup to make it disappear.");<br />
contents.setWidth("128px");<br />
setWidget(contents);<br />
setStyleName("popups-Popup");<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== extends PopupPanel to create Tooltip ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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package com.jexp.gwt.client;<br />
import com.google.gwt.user.client.*;<br />
import com.google.gwt.user.client.ui.*;<br />
import com.google.gwt.core.client.*;<br />
public class GWTClient implements EntryPoint{<br />
public void onModuleLoad() {<br />
Label label = new Label();<br />
label.setText("label with tooltip");<br />
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label.addMouseListener(new MouseListenerAdapter() {<br />
public void onMouseEnter(Widget sender) {<br />
ToolTip tip = new ToolTip("this is a tooltip.",0,0);<br />
}<br />
public void onMouseLeave(Widget sender) {<br />
}<br />
public void onMouseDown(Widget sender, int x, int y) {<br />
}<br />
public void onMouseUp(Widget sender, int x, int y) {<br />
}<br />
});<br />
RootPanel.get().add(label);<br />
}<br />
}<br />
class ToolTip extends PopupPanel{<br />
final int VISIBLE_DELAY = 2000;<br />
<br />
Timer removeDelay;<br />
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public ToolTip(String message, int x, int y){<br />
super(true);<br />
this.setPopupPosition(x, y);<br />
this.add(new Label(message));<br />
removeDelay = new Timer(){<br />
public void run() {<br />
ToolTip.this.setVisible(false);<br />
ToolTip.this.hide();<br />
} <br />
};<br />
removeDelay.schedule(VISIBLE_DELAY);<br />
this.addPopupListener(new PopupListener(){<br />
public void onPopupClosed(PopupPanel sender, boolean autoClosed) {<br />
removeDelay.cancel();<br />
}<br />
});<br />
this.setStyleName("toolTip");<br />
this.show();<br />
}<br />
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public boolean onEventPreview(Event event){<br />
int type = DOM.eventGetType(event);<br />
switch(type){<br />
case Event.ONMOUSEDOWN:<br />
case Event.ONCLICK:{<br />
this.hide();<br />
return true;<br />
}<br />
}<br />
return false;<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== Set position of PopupPanel ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
package com.jexp.gwt.client;<br />
import com.google.gwt.core.client.EntryPoint;<br />
import com.google.gwt.user.client.Window;<br />
import com.google.gwt.user.client.ui.Button;<br />
import com.google.gwt.user.client.ui.ClickListener;<br />
import com.google.gwt.user.client.ui.RootPanel;<br />
import com.google.gwt.user.client.ui.Widget;<br />
import com.google.gwt.user.client.ui.PopupPanel;<br />
import com.google.gwt.user.client.ui.HTML;<br />
public class GWTClient implements EntryPoint {<br />
public void onModuleLoad() {<br />
Button b = new Button("Click me", new ClickListener() {<br />
public void onClick(Widget sender) {<br />
MyPopup p = new MyPopup();<br />
int left = sender.getAbsoluteLeft() + 10;<br />
int top = sender.getAbsoluteTop() + 10;<br />
p.setPopupPosition(left, top);<br />
p.show();<br />
}<br />
});<br />
RootPanel.get().add(b);<br />
}<br />
}<br />
class MyPopup extends PopupPanel {<br />
public MyPopup() {<br />
super(true);<br />
HTML contents = new HTML("Click anywhere outside this popup to make it disappear.");<br />
contents.setWidth("128px");<br />
setWidget(contents);<br />
setStyleName("popups-Popup");<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --></div>