Help me to solve this problem in listfield
How to add a space between two listfied. ?
How to do a listfield to another by using the alt key?
package com.black.applicationloader;
import java.util.Vector;
Import net.rim.device.api.system.Display;
Import net.rim.device.api.ui.Color;
Import net.rim.device.api.ui.Font;
Import net.rim.device.api.ui.Graphics;
Import net.rim.device.api.ui.Manager;
Import net.rim.device.api.ui.XYRect;
Import net.rim.device.api.ui.component.ListField;
Import net.rim.device.api.ui.component.ListFieldCallback;
Import net.rim.device.api.ui.container.VerticalFieldManager;
import com.black.blackinterface.BlackInterface;
import com.black.common.BaseScreen;
import com.black.components.CustomEditField;
import com.black.utility.Utilities;
SerializableAttribute public class BlackSecondScreen extends BaseScreen implements BlackInterface, ListFieldCallback {}
Private VerticalFieldManager listFieldManager;
Private VerticalFieldManager listFieldManager_2;
private static final String [] _elements is {"First element" "Second element", "Third element", 'Fourth element', 'Fifth element'};.
private vector _listElements = new Vector (_elements.length, 1);
columnWidth int = Display.getWidth () / 4;
Private boolean hasFocus; = false
Private CustomEditField userEditField;
ListField colourList_1;
ListField colourList_2;
{BlackSecondScreen()}
colourList_1 = new ListField() {}
protected void drawFocus (Graphics graphics, boolean on) {}
XYRect rect = new XYRect();
graphics.setGlobalAlpha (200);
getFocusRect (rect);
drawHighlightRegion (graphics, HIGHLIGHT_FOCUS, true, rect.x, rect.y, rect.width, rect.height);
}
{} public void onFocus (int direction)
hasFocus = true;
super.onFocus (branch);
}
Called when a field loses focus.
public void onUnfocus() {}
hasFocus = false;
super.onUnfocus ();
Invalidate();
}
public int moveFocus (amount int, int status, time int) {}
Invalidate (getSelectedIndex ());
Return super.moveFocus (amount, status, time);
}
};
colourList_1.setCallback (this);
int elemWidth = _elements.length;
for (int count = 0; count)< elementlength;="">
{
colourList_1.insert (count);
This.Insert (_elements [count], count);
}
colourList_2 = new ListField() {}
protected void drawFocus (Graphics graphics, boolean on) {}
XYRect rect = new XYRect();
graphics.setGlobalAlpha (200);
getFocusRect (rect);
drawHighlightRegion (graphics, HIGHLIGHT_FOCUS, true, rect.x, rect.y, rect.width, rect.height);
}
{} public void onFocus (int direction)
hasFocus = true;
super.onFocus (branch);
}
Called when a field loses focus.
public void onUnfocus() {}
hasFocus = false;
super.onUnfocus ();
Invalidate();
}
public int moveFocus (amount int, int status, time int) {}
Invalidate (getSelectedIndex ());
Return super.moveFocus (amount, status, time);
}
};
colourList_2.setCallback (this);
for (int count = 0; count)< elementlength;="">
{
colourList_2.insert (count);
This.Insert (_elements [count], count);
}
Add (colourList);
createComponents();
layoutComponents();
}
public void createComponents() {}
listFieldManager = new VerticalFieldManager (Manager.VERTICAL_SCROLL |) Manager.HORIZONTAL_SCROLL) {}
protected void sublayout (int maxWidth, maxHeight int) {}
Super.sublayout (maxWidth, 2 * colourList_1.getRowHeight ());
setExtent (maxWidth, 2 * colourList_1.getRowHeight ());
};
};
listFieldManager_2 = new VerticalFieldManager (Manager.VERTICAL_SCROLL |) Manager.HORIZONTAL_SCROLL) {}
protected void sublayout (int maxWidth, maxHeight int) {}
Super.sublayout (maxWidth, 2 * colourList_2.getRowHeight ());
setExtent (maxWidth, 2 * colourList_2.getRowHeight ());
};
};
userEditField = new CustomEditField (Utilities.getAdjustedWidth (150))
Utilities.getAdjustWidth (2), Manager.NO_HORIZONTAL_SCROLL
// | (Manager.VERTICAL_SCROLL, true);
}
public void layoutComponents() {}
TODO self-generating method stub
listFieldManager.add (colourList_1);
listFieldManager_2.add (colourList_2);
Add (listFieldManager);
Add (listFieldManager_2);
}
public void initializeListeners() {}
TODO self-generating method stub
}
public void setComponentsXYMargins() {}
TODO self-generating method stub
}
' Public Sub drawListRow (ListField listField, graphics graphics, int index,
int y, int width) {}
int curSelected;
If (hasFocus) {}
curSelected = listField.getSelectedIndex ();
} else {}
curSelected = - 1;
}
If (index %2 == 0) {}
graphics.setColor (Color.PERU);
graphics.fillRect (0, y, width, listField.getRowHeight ());
} else {}
graphics.setColor (Color.WHEAT);
graphics.fillRect (0, y, width, listField.getRowHeight ());
}
graphics.fillRect (0,0,width,y);
int xPos = 0; int ypos = 0;
graphics.setFont (Font.getDefault ()); / / Please set a value of fonts
It is the first text of the column
graphics.setColor (Color.BLACK);
graphics.drawText("column1"+index,xpos,y);
XPos += columnWidth;
graphics.setColor (Color.RED);
graphics.drawText("column2",xpos,y);
XPos += columnWidth;
graphics.drawText("column3",xpos,y);
XPos += columnWidth;
graphics.drawText("column4",xpos,y);
}
public Object get (ListField listField, int index) {}
TODO self-generating method stub
Return _listElements.elementAt (index);
}
public int getPreferredWidth (ListField listField) {}
TODO self-generating method stub
Return Graphics.getScreenWidth ();
}
public int indexOfList (String prefix, int start, ListField listField) {}
TODO self-generating method stub
Return _listElements.indexOf (prefix, start);
}
public final void insert (String toInsert, int index)
{
_listElements.insertElementAt (toInsert, index);
}
public void erase()
{
_listElements.removeAllElements ();
}
}
Hello
Not able to understant it please explain...
Tags: BlackBerry Developers
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