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Navigational

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Submitted on: 1/2/2015 9:03:00 PM
By: darocker22 (from psc cd)  
Level: Intermediate
User Rating: By 17 Users
Compatibility: Java (JDK 1.2)
Views: 1962
 
     This is a navigational java applet menu that can be placed on a website.

 
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//**************************************
// Name: Navigational
// Description:This is a navigational java applet menu that can be placed on a website.
// By: darocker22 (from psc cd)
//
// Inputs:<applet code="Nav.class" align="baseline" width="165" height="145"
name="menu" id="menu" color="#000000">
 <param name="Item1" value="Planet-Source-Code; ">
 <param name="Item2" value="Rent A Coder;">
 <param name="Item3" value="Applets; ">
 <param name="Item4" value="Brewing; ">
 <param name="Item5" value="Downloads; ">
 <param name="Item6" value="Showcase; ">
 <param name="Item7" value="Arcade; ">
 <param name="target" value="_self">
</applet>
//**************************************

import java.applet.Applet;
import java.applet.AppletContext;
import java.awt.*;
import java.net.MalformedURLException;
import java.net.URL;
public class Nav extends Applet
implements Runnable
{
private Thread m_thrd;
private Event m_evt;
private String m_strNew;
private String m_items[][];
private Font m_font;
private Font m_fontSel;
private Color m_clrSel;
private Color m_clrLight;
private Color m_clrDark;
private String m_strTarg;
private int m_cx;
private int m_cy;
private int m_cySpace;
private int m_iSel;
private int m_iIn;
private int m_nState;
public void start()
{
if(m_thrd == null)
{
m_thrd = new Thread(this);
m_thrd.start();
}
String s = getParameter("init");
if(s != null)
try
{
URL url = getDocumentBase();
getAppletContext().showDocument(new URL(url, s), "init");
return;
}
catch(MalformedURLException _ex) { }
}
public void stop()
{
if(m_thrd != null && m_thrd.isAlive())
{
m_thrd.stop();
}
m_thrd = null;
}
public Nav()
{
m_cy = 13;
m_cySpace = 7;
m_iIn = -1;
setBackground(Color.black);
}
public boolean mouseExit(Event event, int i, int j)
{
if(m_nState == 0)
{
DrawButton(m_iIn, getGraphics(), 1);
m_iIn = -1;
}
return true;
}
public boolean mouseMove(Event event, int i, int j)
{
Graphics g = getGraphics();
int k = (j - 1) / (m_cy + m_cySpace);
if(k >= m_items.length || j - 1 - k * (m_cy + m_cySpace) >= m_cy)
{
k = -1;
}
if(k != m_iIn)
{
if(m_iIn > -1)
{
DrawButton(m_iIn, g, 1);
}
if(k > -1)
{
DrawButton(k, g, 2);
}
m_iIn = k;
}
return true;
}
public boolean mouseDown(Event event, int i, int j)
{
if(m_iIn != -1)
{
m_nState = 1;
DrawButton(m_iIn, getGraphics(), 3);
}
return true;
}
public boolean mouseDrag(Event event, int i, int j)
{
if(m_nState > 0)
{
int k = (j - 1) / (m_cy + m_cySpace);
if(k != m_iIn || k >= m_items.length || i < 0 || i > m_cx || j - 1 - k * (m_cy + m_cySpace) >= m_cy)
{
k = -1;
}
if(m_nState == 1 && k != m_iIn)
{
m_nState = 2;
DrawButton(m_iIn, getGraphics(), 2);
}
else if(m_nState == 2 && k == m_iIn)
{
m_nState = 1;
DrawButton(m_iIn, getGraphics(), 3);
}
}
return true;
}
public boolean mouseUp(Event event, int i, int j)
{
if(m_nState > 0)
if(m_nState == 2)
{
DrawButton(m_iIn, getGraphics(), 1);
}
else
{
if(m_iIn != m_iSel)
{
int k = m_iSel;
m_iSel = m_iIn;
DrawButton(k, getGraphics(), 0);
DrawButton(m_iSel, getGraphics(), 1);
}
m_iIn = -1;
m_nState = 0;
try
{
String s = m_items[m_iSel][2];
if(s == null)
{
s = m_strTarg;
}
URL url = getDocumentBase();
getAppletContext().showDocument(new URL(url, m_items[m_iSel][1]), s);
}
catch(MalformedURLException _ex) { }
}
return true;
}
protected final Color ClrFromStr(String s)
{
if(s == null || s.charAt(0) != '#' || s.length() != 7)
{
return Color.white;
}
else
{
return new Color(Integer.parseInt(s.substring(1, 7), 16));
}
}
public void run()
{
do
{
try
{
Thread.currentThread();
Thread.sleep(100L);
}
catch(InterruptedException _ex) { }
postEvent(m_evt);
} while(true);
}
public final void SetContext(String s)
{
m_strNew = s;
}
protected final void Draw3DRect(Graphics g, int i, int j, int k, int l, Color color, Color color1)
{
g.setColor(color);
g.fillRect(i, j, k, 1);
g.fillRect(i, j, 1, l);
g.setColor(color1);
g.fillRect(i, (j + l) - 1, k, 1);
g.fillRect((i + k) - 1, j, 1, l);
}
protected final void DrawButton(int i, Graphics g, int j)
{
int k = i * (m_cy + m_cySpace) + 1;
Font font;
Color color;
Color color1;
Color color2;
if(i == m_iSel)
{
g.setColor(m_clrSel);
font = m_fontSel;
color = Color.white;
color1 = m_clrLight;
color2 = m_clrDark;
}
else
{
if(j > 1)
{
g.setColor(Color.lightGray);
color = Color.black;
}
else
{
g.setColor(Color.gray);
color = Color.white;
}
font = m_font;
color1 = Color.white;
color2 = Color.gray;
}
if(j > 1)
{
g.fillRect(1, k, m_cx - 2, m_cy);
if(j == 2)
{
Draw3DRect(g, 0, k - 1, m_cx, m_cy + 2, color1, color2);
}
else
{
Draw3DRect(g, 0, k - 1, m_cx, m_cy + 2, color2, color1);
}
}
else
{
g.fillRect(0, k, m_cx, m_cy);
if(j == 1)
{
g.setColor(getBackground());
g.fillRect(0, k - 1, m_cx, 1);
g.fillRect(0, k + m_cy, m_cx, 1);
}
}
g.setColor(color);
g.setFont(font);
if(j == 3)
{
g.drawString(m_items[i][0], 11, 12 + k);
return;
}
else
{
g.drawString(m_items[i][0], 10, 11 + k);
return;
}
}
public void init()
{
String s;
int i;
for(i = 1; (s = getParameter("Item" + Integer.toString(i))) != null; i++);
if(i == 1)
{
return;
}
String as[][] = new String[i - 1][3];
String s1;
for(int j = 1; (s1 = getParameter("Item" + Integer.toString(j))) != null; j++)
{
int k = s1.indexOf(59, 0);
if(k < 0)
{
return;
}
int i1 = s1.indexOf(59, k + 1);
as[j - 1][0] = s1.substring(0, k);
if(i1 < 0)
{
as[j - 1][1] = s1.substring(k + 1);
as[j - 1][2] = null;
}
else
{
as[j - 1][1] = s1.substring(k + 1, i1);
as[j - 1][2] = s1.substring(i1 + 1);
}
}
String s2 = getParameter("sel");
if(s2 != null)
{
m_iSel = Integer.parseInt(s2);
}
if(m_iSel < 0 || m_iSel >= as.length)
{
m_iSel = 0;
}
int l = 10;
s2 = getParameter("fsize");
if(s2 != null)
{
l = Integer.parseInt(s2);
}
s2 = getParameter("font");
if(s2 != null)
{
m_font = new Font(s2, 0, l);
}
else
{
Graphics g = getGraphics();
m_font = g.getFont();
m_font = new Font(m_font.getName(), 0, l);
}
m_fontSel = new Font(m_font.getName(), 1, l);
s2 = getParameter("selcolor");
if(s2 == null)
{
m_clrSel = new Color(153, 0, 0);
}
else
{
m_clrSel = ClrFromStr(s2);
}
s2 = getParameter("ltcolor");
if(s2 == null)
{
m_clrLight = new Color(255, 0, 0);
}
else
{
m_clrLight = ClrFromStr(s2);
}
s2 = getParameter("dkcolor");
if(s2 == null)
{
m_clrDark = new Color(102, 0, 0);
}
else
{
m_clrDark = ClrFromStr(s2);
}
m_cx = size().width;
m_strTarg = getParameter("target");
m_evt = new Event(new Object(), 0, new Object());
m_items = as;
}
public void paint(Graphics g)
{
Dimension dimension = size();
g.setColor(getBackground());
g.fillRect(0, 0, dimension.width, dimension.height);
if(m_items == null)
{
return;
}
int i = m_items.length;
for(int j = 0; j < i; j++)
{
DrawButton(j, g, 0);
}
}
public final boolean handleEvent(Event event)
{
if(event == m_evt)
{
if(m_strNew != null)
{
if(!m_strNew.equalsIgnoreCase(m_items[m_iSel][1]))
{
int i = m_items.length;
for(int j = 0; j < i; j++)
{
if(!m_strNew.equalsIgnoreCase(m_items[j][1]))
{
continue;
}
int k = m_iSel;
m_iSel = j;
Graphics g = getGraphics();
DrawButton(k, g, 0);
DrawButton(m_iSel, g, 0);
g.setFont(m_font);
break;
}
}
m_strNew = null;
}
return true;
}
else
{
return super.handleEvent(event);
}
}
}


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