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<p>1 версия</p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <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> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

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<p></p> <p><b>Новая страница</b></p><div>== Create Custom Panel Based On Composite ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> <br /> package com.jexp.gwt.client;<br /> import com.google.gwt.core.client.EntryPoint;<br /> import com.google.gwt.user.client.ui.CheckBox;<br /> import com.google.gwt.user.client.ui.ruposite;<br /> import com.google.gwt.user.client.ui.Label;<br /> import com.google.gwt.user.client.ui.ScrollListener;<br /> import com.google.gwt.user.client.ui.ScrollPanel;<br /> import com.google.gwt.user.client.ui.VerticalPanel;<br /> import com.google.gwt.user.client.ui.Widget;<br /> import com.google.gwt.user.client.ui.RootPanel;<br /> public class GWTClient implements EntryPoint{<br /> public void onModuleLoad() {<br /> LicensePanel e = new LicensePanel(&quot;License: scroll to enable the check box&quot;);<br /> <br /> RootPanel.get().add(e);<br /> }<br /> }<br /> class LicensePanel extends Composite {<br /> private VerticalPanel vPanel = new VerticalPanel(); <br /> final Label text;<br /> private ScrollPanel sPanel = new ScrollPanel();<br /> private CheckBox accept = new CheckBox(&quot;Accept Terms&quot;);<br /> public LicensePanel(final String licenseText) {<br /> text = new Label(licenseText); <br /> <br /> sPanel.setAlwaysShowScrollBars(true);<br /> sPanel.setHeight(&quot;100px&quot;);<br /> sPanel.setWidth(&quot;200px&quot;); <br /> sPanel.add(text); <br /> <br /> accept.setChecked(false);<br /> accept.setEnabled(false); // scroll to enable it<br /> <br /> vPanel.add(sPanel);<br /> vPanel.add(accept);<br /> initWidget(vPanel);<br /> <br /> sPanel.addScrollListener(new ScrollListener() { <br /> public void onScroll(Widget sender, int x, int y) {<br /> Widget textItem = sPanel.getWidget();<br /> if (sPanel.getOffsetHeight() + y &gt;= textItem.getOffsetHeight())<br /> {<br /> accept.setEnabled(true);<br /> } <br /> }<br /> }); <br /> //setStyleName(&quot;licensePanel&quot;);<br /> } <br /> <br /> public boolean isAccepted() {<br /> return accept.isChecked();<br /> }<br /> }<br /> /////////////<br /> .layouts-Label {<br /> background-color: #C3D9FF;<br /> font-weight: bold;<br /> margin-top: 1em;<br /> padding: 2px 0px 2px 0px;<br /> width: 100%;<br /> }<br /> <br /> <br /> &lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;<br /> <br /> <br /> <br /> <br /> <br /> <br /> == Extends Composite To Create Custom Component ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> <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.VerticalPanel;<br /> import com.google.gwt.user.client.ui.ruposite;<br /> public class GWTClient implements EntryPoint {<br /> public void onModuleLoad() {<br /> MyComponent com = new MyComponent();<br /> RootPanel.get().add(com);<br /> }<br /> }<br /> class MyComponent extends Composite {<br /> private Button dialogButton = new Button(&quot;Show Dialog&quot;);<br /> private Button popupButton = new Button(&quot;Show Popup&quot;);<br /> <br /> public MyComponent(){<br /> <br /> VerticalPanel panel = new VerticalPanel();<br /> panel.add(popupButton);<br /> panel.add(dialogButton);<br /> panel.setSpacing(8); <br /> initWidget(panel);<br /> }<br /> <br /> <br /> }<br /> <br /> <br /> &lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>