128 lines
4.0 KiB
Java
128 lines
4.0 KiB
Java
package com.minres.scviewer.database.ui.swt.internal.slider;
|
|
|
|
import java.text.Format;
|
|
|
|
import org.eclipse.swt.SWT;
|
|
import org.eclipse.swt.events.SelectionAdapter;
|
|
import org.eclipse.swt.events.SelectionEvent;
|
|
import org.eclipse.swt.events.SelectionListener;
|
|
import org.eclipse.swt.graphics.Image;
|
|
import org.eclipse.swt.layout.GridData;
|
|
import org.eclipse.swt.layout.GridLayout;
|
|
import org.eclipse.swt.widgets.Composite;
|
|
import org.eclipse.wb.swt.SWTResourceManager;
|
|
|
|
public class ZoomBar extends Composite {
|
|
|
|
static public interface IProvider {
|
|
ZoomBar getScrollBar();
|
|
}
|
|
|
|
final RangeSlider timeSlider;
|
|
final ImageButton leftButton;
|
|
final ImageButton rightButton;
|
|
/**
|
|
* Create the composite.
|
|
* @param parent
|
|
* @param style
|
|
*/
|
|
public ZoomBar(Composite parent, int style) {
|
|
super(parent, SWT.NO_FOCUS);
|
|
GridLayout gridLayout = new GridLayout(3, false);
|
|
gridLayout.horizontalSpacing = 0;
|
|
gridLayout.verticalSpacing = 0;
|
|
gridLayout.marginWidth = 0;
|
|
gridLayout.marginHeight = 0;
|
|
setLayout(gridLayout);
|
|
|
|
leftButton = new ImageButton(this, SWT.NONE);
|
|
GridData gd_leftButton = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
|
|
gd_leftButton.widthHint=14;
|
|
gd_leftButton.heightHint=18;
|
|
leftButton.setLayoutData(gd_leftButton);
|
|
leftButton.setImage(new Image[] {
|
|
SWTResourceManager.getImage(this.getClass(), "arrow_left.png"),
|
|
SWTResourceManager.getImage(this.getClass(), "arrow_left_hover.png"),
|
|
SWTResourceManager.getImage(this.getClass(), "arrow_left_pressed.png")});
|
|
leftButton.setAutoFire(true);
|
|
|
|
timeSlider = new RangeSlider(this, SWT.ON|SWT.HIGH|SWT.SMOOTH|SWT.CONTROL);
|
|
timeSlider.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
|
|
|
|
rightButton = new ImageButton(this, SWT.NONE);
|
|
GridData gd_rightButton = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
|
|
gd_rightButton.widthHint=18;
|
|
gd_rightButton.heightHint=18;
|
|
rightButton.setLayoutData(gd_rightButton);
|
|
rightButton.setImage(new Image[] {
|
|
SWTResourceManager.getImage(this.getClass(), "arrow_right.png"),
|
|
SWTResourceManager.getImage(this.getClass(), "arrow_right_hover.png"),
|
|
SWTResourceManager.getImage(this.getClass(), "arrow_right_pressed.png")});
|
|
rightButton.setAutoFire(true);
|
|
|
|
leftButton.addSelectionListener(new SelectionAdapter() {
|
|
@Override
|
|
public void widgetSelected(SelectionEvent e) {
|
|
int[] value = timeSlider.getSelection();
|
|
int incr=timeSlider.getIncrement();
|
|
int lower = Math.max(timeSlider.getMinimum(), value[0]-incr);
|
|
timeSlider.setValues(lower, lower + (value[1]-value[0]), true);
|
|
}
|
|
});
|
|
rightButton.addSelectionListener(new SelectionAdapter() {
|
|
@Override
|
|
public void widgetSelected(SelectionEvent e) {
|
|
int[] value = timeSlider.getSelection();
|
|
int incr=timeSlider.getIncrement();
|
|
int upper = Math.min(timeSlider.getMaximum(), value[1]+incr);
|
|
timeSlider.setValues(upper - (value[1]-value[0]), upper, true);
|
|
}
|
|
});
|
|
|
|
}
|
|
@Override
|
|
public void setEnabled (boolean enabled) {
|
|
timeSlider.setEnabled(enabled);
|
|
leftButton.setEnabled(enabled);
|
|
rightButton.setEnabled(enabled);
|
|
super.setEnabled(enabled);
|
|
redraw();
|
|
}
|
|
public void setButtonsEnabled (boolean enabled) {
|
|
leftButton.setEnabled(enabled);
|
|
rightButton.setEnabled(enabled);
|
|
redraw();
|
|
}
|
|
public void setToolTipFormatter(Format formatter){
|
|
timeSlider.setToolTipFormatter(formatter);
|
|
}
|
|
public void setToolTipText(String string) {
|
|
timeSlider.setToolTipText(string);
|
|
}
|
|
public void setSelection(int sel) {
|
|
timeSlider.setLowerValue(sel);
|
|
}
|
|
public void setSelection(int[] sel) {
|
|
assert(sel.length==2);
|
|
timeSlider.setValues(sel[0], sel[1]);
|
|
}
|
|
public int[] getSelection() {
|
|
return timeSlider.getSelection();
|
|
}
|
|
public void addSelectionListener(SelectionListener selectionListener) {
|
|
timeSlider.addSelectionListener(selectionListener);
|
|
}
|
|
public void setMinimum(int value) {
|
|
timeSlider.setMinimum(value);
|
|
}
|
|
public void setMaximum(int value) {
|
|
timeSlider.setMaximum(value);
|
|
}
|
|
public int getMaximum() {
|
|
return timeSlider.getMaximum();
|
|
}
|
|
public int getMinimum() {
|
|
return timeSlider.getMinimum();
|
|
}
|
|
}
|