public class ImageButton extends Field {
/* Implementation details of ImageButton :
*/
private Bitmap backgroundImage = null;
private Bitmap pressedImage = null;
private int width = 0;
private boolean focusable = true;
private boolean selected = false;
/**
* <p>This method can be used for getting the selected.</p>
* @return The selected.
*/
public boolean isSelected() {
return selected; // returning selected.
}
/**
* <p>This method can be used for setting the selected.</p>
* @param selected The selected to set.
*/
public void setSelected(boolean selected) {
this.selected = selected; // Assigning to this.selected.
invalidate();
}
/**
* <p>This method can be used for setting the focusable.</p>
* @param focusable The focusable to set.
*/
public void setFocusable(boolean focusable) {
this.focusable = focusable; // Assigning to this.focusable.
}
/**
* <p>This method can be used for getting the width.</p>
* @return The width.
*/
public int getWidthAssigned() {
return width; // returning width.
}
/**
* <p>This method can be used for setting the width.</p>
* @param width The width to set.
*/
public void setWidthAssigned(int width) {
this.width = width; // Assigning to this.width.
}
/**
* <p>This method can be used for getting the hieght.</p>
* @return The hieght.
*/
public int getHeightAssigned() {
return height; // returning hieght.
}
/**
* <p>This method can be used for setting the hieght.</p>
* @param hieght The hieght to set.
*/
public void setHeightAssigned(int height) {
this.height = height; // Assigning to this.hieght.
}
private int height = 0;
/**
* Constructor for ImageButton.
*/
public ImageButton(Bitmap backgroundImage, Bitmap pressedImage, int width, int height, long style) {
super(style);
this.backgroundImage = backgroundImage;
this.pressedImage = pressedImage;
this.width = width;
this.height = height;
}
public int getPreferredHeight() {
if(getHeightAssigned() <= 0)
return this.backgroundImage.getHeight();
return getHeightAssigned();
}
public int getPreferredWidth() {
if(getWidthAssigned() <= 0)
return this.backgroundImage.getWidth();
return getWidthAssigned();
}
/* (non-Javadoc)
* @see net.rim.device.api.ui.Field#layout(int, int)
*/
protected void layout(int width, int height) {
setExtent(Math.min(width, getPreferredWidth()),
Math.min(height, getPreferredHeight()));
}
/* (non-Javadoc)
* @see net.rim.device.api.ui.Field#paint(net.rim.device.api.ui.Graphics)
*/
protected void paint(Graphics graphics) {
if ((isFocus() || isSelected()) && pressedImage != null) {
graphics.drawBitmap(0, (getPreferredHeight() - pressedImage.getHeight())/2, getPreferredWidth(), getPreferredHeight(),
pressedImage, 0, 0);
} else if (backgroundImage != null) {
graphics.drawBitmap(0, (getPreferredHeight() - pressedImage.getHeight())/2, getPreferredWidth(), getPreferredHeight(),
backgroundImage, 0, 0);
} else {
graphics.setColor(Color.WHITE);
graphics.fillRoundRect(1, 1, getWidth() - 2, getHeight() - 2, 12,
12);
}
}
protected void drawFocus(Graphics graphics, boolean on) {
}
/* (non-Javadoc)
* @see net.rim.device.api.ui.Field#isFocusable()
*/
public boolean isFocusable() {
return focusable;
}
protected void onFocus(int direction) {
// int fieldIndex = getLastFocusedCBIndex();
// CustomField field = (CustomField)getField(fieldIndex);
super.onFocus(direction);
invalidate();
}
protected void onUnfocus() {
super.onUnfocus();
invalidate();
}
protected boolean navigationClick(int status, int time) {
fieldChangeNotify(0);
return true;
}
protected boolean keyChar(char character, int status, int time) {
if (character == Keypad.KEY_ENTER) {
fieldChangeNotify(0);
return true;
}
return super.keyChar(character, status, time);
}
/**
* <p>This is the method for .</p>
*/
public void focusLost() {
onUnfocus();
invalidate();
}
}
