в 10:02, 26 мая 2010

2010-05-26T10:02:39Z

Admin: 1 версия

2010-05-26T07:20:01Z

1 версия

Новая страница

==Accessing Applets from within JavaScript==



<source lang="html4strict">
//java source file
import java.applet.*;
import java.awt.*;
public class FancyText extends Applet {
String text="I like Java!";

public void paint(Graphics g) {
g.drawString(text,30,30);
}

public void setText(String s) {
text=s;
repaint();
}
}
//Loading and Accessing an Applet
<head>
<TITLE>Accessing Applets</TITLE>
<SCRIPT LANGUAGE="JavaScript"></SCRIPT>
</HEAD>
<BODY onLoad="accessApplet()">
<APPLET CODE="FancyText.class" NAME="fancyText"
WIDTH=450 HEIGHT=150>
[The FancyText Applet]
</APPLET>

</source>

== A More Fully Scripted Clock==



<source lang="html4strict">
/*
JavaScript Bible, Fourth Edition
by Danny Goodman
John Wiley & Sons CopyRight 2001
*/
<HTML>
<HEAD>
<TITLE>Clock with Lots o" Widgets</TITLE>
<SCRIPT LANGUAGE="JavaScript1.1">
function setTimeZone(popup) {
var choice = popup.options[popup.selectedIndex].value
document.clock2.setTimeZone(choice)
}
function setColor(form) {
var bg = form.backgroundColor.options[form.backgroundColor.selectedIndex].value
var fg = form.foregroundColor.options[form.foregroundColor.selectedIndex].value
document.clock2.setColor(bg, fg)
}
function setFont(form) {
var fontName = form.theFont.options[form.theFont.selectedIndex].value
var fontStyle = form.theStyle.options[form.theStyle.selectedIndex].value
var fontSize = form.theSize.options[form.theSize.selectedIndex].value
document.clock2.setFont(fontName, fontStyle, fontSize)
}
function getAppletInfo(form) {
form.details.value = document.clock2.getInfo()
}
function showSource() {
var newWindow = window.open("ScriptableClock.java","",
"WIDTH=450,HEIGHT=300,RESIZABLE,SCROLLBARS")
}
</SCRIPT>
</HEAD>
<BODY>
<APPLET CODE="ScriptableClock.class" NAME="clock2" WIDTH=500 HEIGHT=45>
<PARAM NAME=bgColor VALUE="Black">
<PARAM NAME=fgColor VALUE="Red">
</APPLET>
<P>
<FORM NAME="widgets2">
Select Time Zone:
<SELECT NAME="zone" onChange="setTimeZone(this)">
<OPTION SELECTED VALUE="Locale">Local Time
<OPTION VALUE="GMT">Greenwich Mean Time
</SELECT><P>
Select Background Color:
<SELECT NAME="backgroundColor" onChange="setColor(this.form)">
<OPTION VALUE="White">White
<OPTION SELECTED VALUE="Black">Black
<OPTION VALUE="Red">Red
<OPTION VALUE="Green">Green
<OPTION VALUE="Blue">Blue
<OPTION VALUE="Yellow">Yellow
</SELECT>
Select Color Text Color:
<SELECT NAME="foregroundColor" onChange="setColor(this.form)">
<OPTION VALUE="White">White
<OPTION VALUE="Black">Black
<OPTION SELECTED VALUE="Red">Red
<OPTION VALUE="Green">Green
<OPTION VALUE="Blue">Blue
<OPTION VALUE="Yellow">Yellow
</SELECT><P>
Select Font:
<SELECT NAME="theFont" onChange="setFont(this.form)">
<OPTION SELECTED VALUE="TimesRoman">Times Roman
<OPTION VALUE="Helvetica">Helvetica
<OPTION VALUE="Courier">Courier
<OPTION VALUE="Arial">Arial
</SELECT><BR>
Select Font Style:
<SELECT NAME="theStyle" onChange="setFont(this.form)">
<OPTION SELECTED VALUE="Plain">Plain
<OPTION VALUE="Bold">Bold
<OPTION VALUE="Italic">Italic
</SELECT><BR>
Select Font Size:
<SELECT NAME="theSize" onChange="setFont(this.form)">
<OPTION VALUE="12">12
<OPTION VALUE="18">18
<OPTION SELECTED VALUE="24">24
<OPTION VALUE="30">30
</SELECT><P>
<HR>
<INPUT TYPE="button" NAME="getInfo" VALUE="Applet Info..." onClick="getAppletInfo(this.form)">
<P>
<TEXTAREA NAME="details" ROWS=11 COLS=70></TEXTAREA>
</FORM>
<HR>
</BODY>
</HTML>

</source>

==Basic Signed Script Structure==



<source lang="html4strict">
/*
JavaScript Bible, Fourth Edition
by Danny Goodman
John Wiley & Sons CopyRight 2001
*/

<HTML>
<HEAD>
<TITLE>Signed Scripts Testing</TITLE>
<SCRIPT LANGUAGE="JavaScript" ARCHIVE="myArchive.jar" SRC="access.js"></SCRIPT>
<SCRIPT LANGUAGE="JavaScript" ID="1">
function fetchFile(form) {
form.output.value = getFile()
}
function newRaisedWindow() {
// statements for this function
}
</SCRIPT>
</HEAD>
<BODY>
A Source Code Example Only
<FORM>
<TEXTAREA NAME="output" COLS=60 ROWS=10 WRAP="virtual"></TEXTAREA><BR>
<INPUT TYPE="button" VALUE="Read File" onClick="this.form.output.value = "";
fetchFile(this.form);" ID="2"><BR>
<TEXTAREA NAME="input" COLS=60 ROWS=10 WRAP="virtual"> </TEXTAREA><BR>
<INPUT TYPE="button" VALUE="Save File" onClick="setFile(this.form.input.value);" ID="3"><P>
<INPUT TYPE="button" VALUE="New Window..." onClick="newRaisedWindow();" ID="4">
</FORM>
</BODY>
</HTML>

</source>

==Calling Java Methods==



<source lang="html4strict">

<HTML>
<HEAD>
<TITLE>Calling Java Methods</TITLE>
</HEAD>
<BODY>
<P>This script writes the text, <EM>Hello World!</EM>
to the Java console window.</P>
<SCRIPT LANGUAGE="JavaScript"></SCRIPT>
</BODY>
</HTML>

</source>

== Stopping and Starting an Applet==



<source lang="html4strict">
<HTML>
<HEAD>
<TITLE>A Script That Could Stop a Clock</TITLE>
<SCRIPT LANGUAGE="JavaScript">
function pauseClock() {
document.clock1.stop()
}
function restartClock() {
document.clock1.start()
}
</SCRIPT>
<BODY>
<H1>Simple control over an applet</H1>
<HR>
<APPLET CODE="ScriptableClock.class" NAME="clock1" WIDTH=500 HEIGHT=45>
<PARAM NAME=bgColor VALUE="Green">
<PARAM NAME=fgColor VALUE="Blue">
</APPLET>
<P>
<FORM NAME="widgets1">
<INPUT TYPE="button" VALUE="Pause Clock" onClick="pauseClock()">
<INPUT TYPE="button" VALUE="Restart Clock" onClick="restartClock()">
</FORM>
</BODY>
</HTML>

</source>

==Using JavaScript in an Applet==



<source lang="html4strict">

/*
Mastering JavaScript, Premium Edition
by James Jaworski
ISBN:078212819X
Publisher Sybex CopyRight 2001
*/
<title>Accessing JavaScript from an applet</TITLE>
<form NAME="textForm">
<P>Enter some text and then click Display Text:
<INPUT TYPE="text" NAME="textField" SIZE="20"></P>
</FORM>
<APPLET CODE="ReadForm.class" WIDTH=400 HEIGHT=100
NAME="readApp" MAYSCRIPT>
[The ReadForm Applet]
</APPLET>

//Reading a JavaScript Form (ReadForm.java)

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import netscape.javascript.JSObject;
import netscape.javascript.JSException;
public class ReadForm extends Applet {
String text="Enter some text for me to display!";
Font font = new Font("TimesRoman",Font.BOLD+Font.ITALIC,24);
JSObject win, doc, form, textField;
public void init() {
win = JSObject.getWindow(this);
doc = (JSObject) win.getMember("document");
form = (JSObject) doc.getMember("textForm");
textField = (JSObject) form.getMember("textField");
setLayout(new BorderLayout());
Panel buttons = new Panel();
Button displayTextButton = new Button("Display Text");
displayTextButton.addActionListener(new ButtonEventHandler());
buttons.add(displayTextButton);
add("South",buttons);
}
public void paint(Graphics g) {
g.setFont(font);
g.drawString(text,30,30);
}
class ButtonEventHandler implements ActionListener {
public void actionPerformed(ActionEvent e){
String s = e.getActionCommand();
if("Display Text".equals(s)) {
text= (String) textField.getMember("value");
win.eval("alert(\"This alert comes from Java!\")");
repaint();
}
}
}
}

</source>

← Предыдущая	Версия 10:02, 26 мая 2010
(нет различий)

JavaScript DHTML/Development/Applet Jar - История изменений

в 10:02, 26 мая 2010

Admin: 1 версия