/**
* creates the style range of the StyledText for the range of the contained editor
*
* <p>XXX problem will occur if there is a newline in the position. Working on this! code folding.
*/
private StyleRange[] createStyleRange(ContainedEditorManager c, Position p) {
int offset = p.offset;
int length = p.length;
Rectangle rect = c.getControl().getBounds();
int ascent = rect.height - 4;
int descent = 4;
// use two style ranges
// first style range covers the entire size of the contained editor
StyleRange first = new StyleRange();
first.start = offset;
first.length = Math.min(1, length);
first.background = this.containingEditor.colorManager.getColor(new RGB(255, 255, 255));
first.metrics =
new GlyphMetrics(
ascent + ContainingEditor.MARGIN,
descent + ContainingEditor.MARGIN,
rect.width + 2 * ContainingEditor.MARGIN);
// this style range is hidden. the height and width are 0
StyleRange second = new StyleRange();
second.start = offset + 1;
second.length = length - 1;
second.background = this.containingEditor.colorManager.getColor(new RGB(255, 255, 255));
second.metrics = new GlyphMetrics(0, 0, 0);
second.font = TINY_FONT;
return new StyleRange[] {first, second};
}
/**
* Create the composite.
*
* @param parent
* @param style
*/
public FeatureOffset(Composite parent, int style) {
super(parent, style);
setLayout(new GridLayout(3, true));
stylerange = new StyleRange();
stylerange.background = AndrospyMain.shell.getDisplay().getSystemColor(SWT.COLOR_YELLOW);
txtSrch = new Text(this, SWT.BORDER);
txtSrch.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
Button btnSearch = new Button(this, SWT.NONE);
btnSearch.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent arg0) {
String srch = txtSrch.getText();
String fulltext = text.getText();
if (srch != "" && fulltext != "") {
find(srch, fulltext);
}
}
});
GridData gd_btnSearch = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
gd_btnSearch.widthHint = 104;
btnSearch.setLayoutData(gd_btnSearch);
btnSearch.setText("lk.score.androphsy.main.Search");
text = new StyledText(this, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
GridData gd_text = new GridData(SWT.FILL, SWT.FILL, true, false, 3, 1);
gd_text.heightHint = 230;
text.setLayoutData(gd_text);
lblOffset = new Label(this, SWT.NONE);
lblOffset.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
lblOffset.setText("Offset:");
txtOffset = new Text(this, SWT.BORDER);
txtOffset.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
btnHexView = new Button(this, SWT.NONE);
btnHexView.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent arg0) {
if (txtOffset.getText().equals("")) {
MessageBox msbox = new MessageBox(getShell(), SWT.ICON_ERROR);
msbox.setMessage("ERROR - Hex View");
msbox.setText("Offset value cannot be null");
msbox.open();
return;
}
hv.getHexdump(txtOffset.getText());
}
});
btnHexView.setText("Hex View");
hv = new HexViewer(this, SWT.NONE);
hv.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));
}
private void drawCurrentLine(LineBackgroundEvent event, final IRegion lineRegion) {
final StyledText textWidget = fViewer.getTextWidget();
final int offset = event.lineOffset;
final RGBa lineHighlight = getCurrentTheme().getLineHighlight();
event.lineBackground = getColorManager().getColor(lineHighlight.toRGB());
// In this case, we should be overriding the bg of the style ranges for the line too!
if (textWidget.isDisposed()) {
return;
}
// FIXME Only change bg colors of visible ranges!
int replaceLength = 160;
if (lineRegion != null) {
replaceLength = Math.min(replaceLength, lineRegion.getLength());
}
// be safe about offsets
int charCount = textWidget.getCharCount();
if (offset + replaceLength > charCount) {
replaceLength = charCount - offset;
if (replaceLength < 0) {
// Just playing safe here
replaceLength = 0;
}
}
final StyleRange[] ranges = textWidget.getStyleRanges(offset, replaceLength, true);
if (ranges == null || ranges.length == 0) {
return;
}
Color background = textWidget.getBackground();
final int[] positions = new int[ranges.length << 1];
int x = 0;
boolean apply = false;
for (StyleRange range : ranges) {
if (range.background != null) {
if (!range.background.equals(background)) {
positions[x] = range.start;
positions[x + 1] = range.length;
x += 2;
continue;
}
apply = true;
}
range.background = null;
positions[x] = range.start;
positions[x + 1] = range.length;
x += 2;
}
if (apply) {
textWidget.setStyleRanges(offset, replaceLength, positions, ranges);
}
}
private void removeHighlightingCategory(
org.eclipse.jface.text.IDocument document, String category) {
org.eclipse.jface.text.Position[] positions = positionHelper.getPositions(document, category);
if (category.equals(
bento.language.bentocomp.resource.bento.ui.BentoPositionCategory.BRACKET.toString())) {
org.eclipse.swt.custom.StyleRange styleRange;
for (org.eclipse.jface.text.Position position : positions) {
org.eclipse.jface.text.Position tmpPosition = convertToWidgetPosition(position);
if (tmpPosition != null) {
styleRange = getStyleRangeAtPosition(tmpPosition);
styleRange.borderStyle = org.eclipse.swt.SWT.NONE;
styleRange.borderColor = null;
styleRange.background = null;
textWidget.setStyleRange(styleRange);
}
}
}
positionHelper.removePositions(document, category);
}