How to change the width of editfield in blackberry java

Hi, blackberry has,

I want to change the width of editfield... can someone tell me how I can do

Hi Ludovic,.

use TableLayoutManager and adjust the width of the field (based on no. added columns) for your screen.

I don't get your condition, but if you want to insert fields so that it will adjust the space then use RoundedPanel and you can add a tablelayoutmanager to this Panel.

/*
 * RoundedPanel.java
 *
 * © , 2003-2008
 * Confidential and proprietary.
 */

import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.Manager;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.container.VerticalFieldManager;
import net.rim.device.api.system.Display;

/**
 *
 */
public class RoundedPanel extends VerticalFieldManager {
    private int _heightBtmIncr = 0;
    private int color = Color.WHITE;
    private String str = null;

    public RoundedPanel() {
        super(Manager.VERTICAL_SCROLL);
    }

    public RoundedPanel(int heightBtmIncr) {
        super(Manager.VERTICAL_SCROLL);
        _heightBtmIncr = heightBtmIncr;
    }

    public RoundedPanel(int color , String str) {

        super(Manager.VERTICAL_SCROLL);
        this.str = str;
        this.color = color;
    }

    public void paint(Graphics g) {
        g.setBackgroundColor(Color.LIGHTGREY);
        int initialColor = g.getColor();
        g.setColor(Color.LIGHTGREY);
        g.fillRect(0, 0, this.getPreferredWidth(), this.getHeight());
        g.setColor(color);
        g.fillRoundRect(3, 3, this.getPreferredWidth() - 6, this.getHeight() - 6, 17, 17);
        g.setColor(Color.DARKGRAY);
        g.drawRoundRect(3, 3, this.getPreferredWidth() - 6, this.getHeight() - 6, 17, 17);
        g.setColor(initialColor);
        super.paint(g);
    }

    public void sublayout(int maxWidth, int maxHeight) {
        super.sublayout(maxWidth, Integer.MAX_VALUE);
        int fieldCount = getFieldCount();
        int x = 12;
        int y = 10;
        Field child = null;

        for (int i = 0; i < fieldCount; i++) {
            child = this.getField(i);
            setPositionChild(child, x, y);
            layoutChild(child, getFieldWidth(child), Integer.MAX_VALUE);
            int childHeight = getFieldHeight(child);
            y = y + childHeight;
        }

        this.setExtent(getPreferredWidth(), Math.max(y, getPreferredHeight()));
        setVirtualExtent(getPreferredWidth(), Math.max(y, getPreferredHeight()));
    }                  

    private int getFieldWidth(Field f) {
        return Math.min(Math.max(Math.max(f.getContentWidth(), f.getWidth()), f.getPreferredWidth()), this.getPreferredWidth() - 12);
    }

    private int getFieldHeight(Field f) {
        return Math.max(Math.max(f.getContentHeight(), f.getHeight()), f.getPreferredHeight());
    }

    public int getPreferredWidth() {
        return Display.getWidth();
    }

    public int getPreferredHeight() {
        int height = 6;
        int iNumFields = getFieldCount();
        for (int i = 0; i < iNumFields; i++) {
            height += getFieldHeight(getField(i));
        }

        return height + _heightBtmIncr + 6;
    }

    protected boolean keyDown( int keycode, int status ) {
        invalidate();

        return super.keyDown( keycode, status );
    }

    protected boolean navigationMovement( int dx, int dy, int status, int time ) {
        invalidate();

        return super.navigationMovement( dx, dy, status, time );
    }

    protected int moveFocus(int amount, int status, int time) {
        invalidate();

        return super.moveFocus(amount, status, time);
    }
}

Thank you & best regards

Tags: BlackBerry Developers

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