/**
* Adds eSWT Command to this command.
*
* @param control The Control where eSWT Command is added. For example Shell.
* @param isDefault If true, created eSWT command is set to be default one.
*/
void addESWTCommand(Control control, final boolean isDefault) {
final Control finalControl = control;
ESWTUIThreadRunner.syncExec(
new Runnable() {
public void run() {
eswtAddESWTCommand(finalControl, isDefault);
}
});
}
/**
* Removes eSWT Command from this command.
*
* @param control The Control where eSWT Command is located.
*/
void removeESWTCommand(Control control) {
final Control finalControl = control;
ESWTUIThreadRunner.syncExec(
new Runnable() {
public void run() {
eswtRemoveESWTCommand(finalControl);
}
});
}
/** Dispose Alert. */
void dispose() {
super.dispose();
ESWTUIThreadRunner.syncExec(
new Runnable() {
public void run() {
topShell.dispose();
}
});
}
/**
* Checks if the text label's scrollbar is visible.
*
* @return true if the scrollbar is visible.
*/
private boolean isTextScrolling() {
ESWTUIThreadRunner.syncExec(
new Runnable() {
public void run() {
textScrolling = eswtScrolledText.isTextScrolling();
}
});
return textScrolling;
}
/**
* Sets the text used in the Alert.
*
* @param newText the Alert's text string, or null if there is no text
*/
public void setString(String newText) {
text = newText;
ESWTUIThreadRunner.syncExec(
new Runnable() {
public void run() {
String temp = (text != null) ? text : getDefaultText(type);
eswtScrolledText.setText(temp);
eswtSetPreferredContentSize(-1, eswtGetPreferredContentHeight());
getContentComp().layout();
}
});
setCommandsVisibility(isModal());
}
/** Update indicator if it changed. */
void updateIndicator() {
ESWTUIThreadRunner.syncExec(
new Runnable() {
public void run() {
if (indicator != null) {
// show ProgressBar
if (indicator.isIndefinite()) {
// indefinite ProgressBar
switch (indicator.getValue()) {
case Gauge.CONTINUOUS_IDLE:
case Gauge.INCREMENTAL_IDLE:
// currently these are mapped to full progress bar
// TODO: eSWT support required
eswtUpdateProgressbar(getContentComp(), false, true);
eswtSetProgressbarValues(0, 1, 1);
break;
case Gauge.CONTINUOUS_RUNNING:
eswtUpdateProgressbar(getContentComp(), true, true);
break;
case Gauge.INCREMENTAL_UPDATING:
// currently this are mapped to blinking
// empty and full progress bar
// TODO: eSWT support required
eswtUpdateProgressbar(getContentComp(), false, true);
if (eswtProgressBar.getSelection() > 0) {
eswtSetProgressbarValues(0, 1, 0);
} else {
eswtSetProgressbarValues(0, 1, 1);
}
break;
default:
break;
}
} else {
// definite ProgressBar
eswtUpdateProgressbar(getContentComp(), false, true);
eswtSetProgressbarValues(0, indicator.getMaxValue(), indicator.getValue());
}
} else {
// hide ProgressBar
eswtUpdateProgressbar(getContentComp(), false, false);
}
eswtSetPreferredContentSize(-1, eswtGetPreferredContentHeight());
getContentComp().layout();
}
});
}
/**
* Sets the image of this Alert.
*
* @param newImage an Image, or null if there is no image
*/
public void setImage(Image newImage) {
image = newImage;
ESWTUIThreadRunner.syncExec(
new Runnable() {
public void run() {
Image temp = (image != null) ? image : null;
// Get the image size from QT Style for scaling
int scaleToSize = Style.pixelMetric(Style.QSTYLE_PM_MESSAGEBOXICONSIZE);
if (temp != null) {
// calculate the aspect ratio
float aspectRatio = (float) temp.getHeight() / temp.getWidth();
// check the image size
if ((temp.getWidth() > scaleToSize) || (temp.getHeight() > scaleToSize)) {
// we need to scale down the image
if (temp.getWidth() > scaleToSize) {
// Width is greater
Image wScaled =
Image.createImage(temp, scaleToSize, (int) (scaleToSize * aspectRatio));
// now check the new dimension against height
if (wScaled.getHeight() > scaleToSize) {
// scale the image again
Image whScaled = Image.createImage(temp, scaleToSize, scaleToSize);
eswtImgLabel.setImage(Image.getESWTImage(whScaled));
} else {
// height was ok after scaling on width
eswtImgLabel.setImage(Image.getESWTImage(wScaled));
}
} else if (temp.getHeight() > scaleToSize) {
// Height is greater
Image hScaled =
Image.createImage(temp, (int) (scaleToSize / aspectRatio), scaleToSize);
// now check the new dimension against width
if (hScaled.getWidth() > scaleToSize) {
// scale the image again
Image hwScaled = Image.createImage(temp, scaleToSize, scaleToSize);
eswtImgLabel.setImage(Image.getESWTImage(hwScaled));
} else {
// widh was ok after scaling using height
eswtImgLabel.setImage(Image.getESWTImage(hScaled));
}
}
} else {
// image is right size
eswtImgLabel.setImage(Image.getESWTImage(temp));
}
} else {
// no image
if (type != null) {
// display the default image
eswtImgLabel.setStandardIcon(getDefaultImageType(type), scaleToSize, scaleToSize);
eswtImgLabel.pack();
}
}
eswtSetPreferredContentSize(-1, eswtGetPreferredContentHeight());
getContentComp().layout();
}
});
}