/**
* Event.detail line start offset (input) Event.text line text (input) LineStyleEvent.styles
* Enumeration of StyleRanges, need to be in order. (output) LineStyleEvent.background line
* background color (output)
*/
public void lineGetStyle(LineStyleEvent event) {
Vector styles = new Vector();
int token;
StyleRange lastStyle;
// If the line is part of a block comment, create one style for the entire line.
if (inBlockComment(event.lineOffset, event.lineOffset + event.lineText.length())) {
styles.addElement(
new StyleRange(event.lineOffset, event.lineText.length(), getColor(COMMENT), null));
event.styles = new StyleRange[styles.size()];
styles.copyInto(event.styles);
return;
}
Color defaultFgColor = ((Control) event.widget).getForeground();
scanner.setRange(event.lineText);
token = scanner.nextToken();
while (token != EOF) {
if (token == OTHER) {
// do nothing for non-colored tokens
} else if (token != WHITE) {
Color color = getColor(token);
// Only create a style if the token color is different than the
// widget's default foreground color and the token's style is not
// bold. Keywords are bolded.
if ((!color.equals(defaultFgColor)) || (token == KEY)) {
StyleRange style =
new StyleRange(
scanner.getStartOffset() + event.lineOffset, scanner.getLength(), color, null);
if (token == KEY) {
style.fontStyle = SWT.BOLD;
}
if (styles.isEmpty()) {
styles.addElement(style);
} else {
// Merge similar styles. Doing so will improve performance.
lastStyle = (StyleRange) styles.lastElement();
if (lastStyle.similarTo(style) && (lastStyle.start + lastStyle.length == style.start)) {
lastStyle.length += style.length;
} else {
styles.addElement(style);
}
}
}
} else if ((!styles.isEmpty())
&& ((lastStyle = (StyleRange) styles.lastElement()).fontStyle == SWT.BOLD)) {
int start = scanner.getStartOffset() + event.lineOffset;
lastStyle = (StyleRange) styles.lastElement();
// A font style of SWT.BOLD implies that the last style
// represents a java keyword.
if (lastStyle.start + lastStyle.length == start) {
// Have the white space take on the style before it to
// minimize the number of style ranges created and the
// number of font style changes during rendering.
lastStyle.length += scanner.getLength();
}
}
token = scanner.nextToken();
}
event.styles = new StyleRange[styles.size()];
styles.copyInto(event.styles);
}
/**
* Manually paints the checked or unchecked symbol. This provides a fast replacement for the
* variant that paints the images defined in this class.
*
* <p>The reason for this is that painting manually is 2-3 times faster than painting the image -
* which is very notable if you have a completely filled table! (see example!)
*
* @param gc The GC to use when dawing
* @param rect The cell ara where the symbol should be painted into.
* @param checked Wether the symbol should be the checked or unchecked
* @param bgColor The background color of the cell.
* @param fillColor The color of the box drawn (with of without checked mark). Used when a click
* indication is desired.
*/
protected void drawCheckedSymbol(
GC gc, Rectangle rect, boolean checked, Color bgColor, Color fillColor) {
// clear background:
gc.setBackground(bgColor);
gc.fillRectangle(rect);
// paint rectangle:
Rectangle bound = getAlignedLocation(rect, IMAGE_CHECKED);
gc.setForeground(BORDER_LIGHT);
gc.drawLine(bound.x, bound.y, bound.x + bound.width, bound.y);
gc.drawLine(bound.x, bound.y, bound.x, bound.y + bound.height);
gc.setForeground(BORDER_DARK);
gc.drawLine(
bound.x + bound.width, bound.y + 1, bound.x + bound.width, bound.y + bound.height - 1);
gc.drawLine(bound.x, bound.y + bound.height, bound.x + bound.width, bound.y + bound.height);
if (!bgColor.equals(fillColor)) {
gc.setBackground(fillColor);
gc.fillRectangle(bound.x + 1, bound.y + 1, bound.width - 1, bound.height - 1);
}
if (checked) // draw a check symbol:
drawCheckSymbol(gc, bound);
}
public LineNameLabel(String lineName, int X, int Y, int length, String type) {
this.name = lineName;
if (type.equalsIgnoreCase("S")) { // 显示在上面
Y = Y - labHeight - dis;
} else { // 显示在下面
Y = Y + dis;
}
if (bgColor.equals(ColorConstants.white)) {
fontColor = ColorConstants.black;
} else {
fontColor = ColorConstants.white;
}
// 股道线名称
this.nameLabel.setVisible(false);
this.nameLabel.setText(lineName);
this.nameLabel.setFont(font1);
this.nameLabel.setForegroundColor(fontColor);
this.nameLabel.setSize(lineName.length() * 6, labHeight);
this.nameLabel.setLocation(new Point(X + length / 2 - lineName.length() * 3, Y));
panel.add(this.nameLabel);
baseData.getTracklineNameList().add(nameLabel);
}
@Override
public void setBackgroundColor(Color bg) {
Color oldColor = getBackgroundColor();
super.setBackgroundColor(bg);
if (!oldColor.equals(bg)) {
createImage();
repaint();
}
}
public void setBackground(Color color) {
super.setBackground(color);
// Are these settings the same as before?
if (backgroundImage == null && gradientColors == null && gradientPercents == null) {
if (color == null) {
if (background == null) return;
} else {
if (color.equals(background)) return;
}
}
background = color;
backgroundImage = null;
gradientColors = null;
gradientPercents = null;
redraw();
}
public void updateCSSColor(Color colorToChange, Color newColor) {
if (colorToChange == null || newColor == null || colorToChange.equals(newColor)) {
return;
}
FloatValue newRedValue = new FloatValue((short) 1, (float) newColor.getRed());
FloatValue newGreenValue = new FloatValue((short) 1, (float) newColor.getGreen());
FloatValue newBlueValue = new FloatValue((short) 1, (float) newColor.getBlue());
RGBColorValue newRGBColorValue = new RGBColorValue(newRedValue, newGreenValue, newBlueValue);
StyleDeclaration sd = originalStyle.clone();
int sdlen = sd.size();
for (int sdindex = 0; sdindex < sdlen; sdindex++) {
Value val = sd.getValue(sdindex);
if (val instanceof RGBColorValue) {
RGBColorValue colorVal = (RGBColorValue) val;
if (isSameColor(colorVal, colorToChange)) {
sd.put(sdindex, newRGBColorValue, sd.getIndex(sdindex), sd.getPriority(sdindex));
}
}
}
element.getStyle().setCssText(sd.toString(cssEngine));
}
public void setTextBackground(Color c) {
if (c == this.textBackground || (c != null && c.equals(this.textBackground))) return;
this.textBackground = c;
refreshControl();
}
/** @see IFigure#setForegroundColor(Color) */
public void setForegroundColor(Color fg) {
if (fgColor != null && fgColor.equals(fg)) return;
fgColor = fg;
repaint();
}
