112 lines
6.0 KiB
HTML
112 lines
6.0 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Command Call" />
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<meta name="abstract" content="" />
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<meta name="description" content="" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="vcmd" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Command Call</title>
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</head>
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<body id="vcmd"><a name="vcmd"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Command Call</h1>
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<div><p></p>
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<div class="section"><p>The command call vaccess (GUI) components allow a Java™ program
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to present a button or menu item that calls a non-interactive server command.</p>
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</div>
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<div class="section"><p>A <a href="javadoc/com/ibm/as400/vaccess/CommandCallButton.html#NAVBAR_TOP"> CommandCallButton</a> object represents a button that calls
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a server command when pressed. The CommandCallButton class extends the Java Foundation
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Classes (JFC) JButton class so that all buttons have a consistent appearance
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and behavior.</p>
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</div>
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<div class="section"><p>Similarly, a <a href="javadoc/com/ibm/as400/vaccess/CommandCallMenuItem.html#NAVBAR_TOP"> CommandCallMenuItem</a> object represents a menu item that
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calls a server command when selected. The CommandCallMenuItem class extends
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the JFC JMenuItem class so that all menu items also have a consistent appearance
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and behavior.</p>
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</div>
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<div class="section"><p>To use a command call graphical user interface component, set
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both the system and command properties. These properties can be set using
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a constructor or through the setSystem() and setCommand() methods.</p>
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</div>
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<div class="section"><p><span class="synph" id="vcmd__vcmdex1"><a name="vcmd__vcmdex1"><!-- --></a><span class="kwd"></span></span>The following example creates
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a CommandCallButton. At run time, when the button is pressed, it creates a
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library called "FRED":</p>
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</div>
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<div class="section"><div class="p"><pre> // Create the CommandCallButton
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// object. Assume that "system" is
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// an AS400 object created and
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// initialized elsewhere. The button
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// text says "Press Me", and there is
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// no icon.
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CommandCallButton button = new CommandCallButton ("Press Me", null, system);
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// Set the command that the button will run.
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button.setCommand ("CRTLIB FRED");
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// Add the button to a frame. Assume
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// that "frame" is a JFrame created
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// elsewhere.
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frame.getContentPane ().add (button);</pre>
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</div>
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</div>
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<div class="section"><p>When a server command runs, it may return zero or more server
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messages. To detect when the server command runs, add an <a href="javadoc/com/ibm/as400/access/ActionCompletedListener.html#NAVBAR_TOP"> ActionCompletedListener</a> to the button or menu item using
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the addActionCompletedListener() method. When the command runs, it fires an <a href="javadoc/com/ibm/as400/access/ActionCompletedEvent.html#NAVBAR_TOP"> ActionCompletedEvent</a> to all such listeners. A listener
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can use the getMessageList() method to retrieve any server messages that the
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command generated.</p>
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</div>
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<div class="section"><p><span class="synph" id="vcmd__vcmdex2"><a name="vcmd__vcmdex2"><!-- --></a><span class="kwd"></span></span>This example adds an ActionCompletedListener
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that processes all server messages that the command generated:</p>
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</div>
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<div class="section"><div class="p"><pre> // Add an ActionCompletedListener that
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// is implemented using an anonymous
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// inner class. This is a convenient
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// way to specify simple event
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// listeners.
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button.addActionCompletedListener (new ActionCompletedListener ()
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{
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public void actionCompleted (ActionCompletedEvent event)
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{
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// Cast the source of the event to a
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// CommandCallButton.
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CommandCallButton sourceButton = (CommandCallButton) event.getSource ();
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// Get the list of server messages
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// that the command generated.
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AS400Message[] messageList = sourceButton.getMessageList ();
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// ... Process the message list.
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}
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});</pre>
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<strong>Examples</strong></div>
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</div>
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<div class="section"><p>This example shows how to use a <a href="commandcallmenuitemexample.htm#commandcallmenuitemexample">CommandCallMenuItem</a> in
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an application.</p>
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</div>
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<div class="section"><p>Figure 1 shows the CommandCall graphical user interface component:</p>
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</div>
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<div class="section"><p><strong>Figure 1: CommandCall GUI component</strong></p>
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</div>
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<div class="section"><p><img src="rzahh080.gif" alt="CommandCall GUI component" /></p>
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</div>
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</div>
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</body>
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</html> |