76 lines
2.3 KiB
Java
76 lines
2.3 KiB
Java
package com.minres.scviewer.ui.swt;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.DisposeEvent;
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import org.eclipse.swt.events.DisposeListener;
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import org.eclipse.swt.events.PaintEvent;
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import org.eclipse.swt.events.PaintListener;
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import org.eclipse.swt.graphics.Color;
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import org.eclipse.swt.graphics.GC;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.graphics.Rectangle;
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import org.eclipse.swt.widgets.Composite;
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import com.minres.scviewer.ui.TxEditorPlugin;
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public class Transaction extends Composite {
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public static int height = 50;
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public static Color lineColor;
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public static Color txBgColor;
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public static Color highliteLineColor;
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public static Color txHighliteBgColor;
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private int length;
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private boolean highlighted=false;
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Transaction(Composite parent, int style, int lenght) {
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super(parent, style|SWT.NO_BACKGROUND);
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this.length=lenght;
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addDisposeListener(new DisposeListener() {
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public void widgetDisposed(DisposeEvent e) {
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Transaction.this.widgetDisposed(e);
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}
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});
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addPaintListener(new PaintListener() {
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public void paintControl(PaintEvent e) {
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Transaction.this.paintControl(e);
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}
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});
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TxEditorPlugin plugin=TxEditorPlugin.getDefault();
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lineColor=plugin.getColor(TxEditorPlugin.lineColor);
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txBgColor=plugin.getColor(TxEditorPlugin.txBgColor);
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highliteLineColor=plugin.getColor(TxEditorPlugin.highliteLineColor);
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txHighliteBgColor=plugin.getColor(TxEditorPlugin.txHighliteBgColor);
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}
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protected void widgetDisposed(DisposeEvent e) {
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}
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void paintControl(PaintEvent e) {
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GC gc = e.gc;
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gc.setForeground(highlighted?highliteLineColor:lineColor);
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gc.setFillRule(SWT.FILL_EVEN_ODD);
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gc.setBackground(highlighted?txHighliteBgColor:txBgColor);
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gc.setLineWidth(1);
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gc.setLineStyle(SWT.LINE_SOLID);
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Rectangle bb = new Rectangle(0, height/5, length-1, 3*height/5);
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if(bb.width<8){
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gc.fillRectangle(bb);
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gc.drawRectangle(bb);
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} else {
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gc.fillRoundRectangle(bb.x, bb.y, bb.width, bb.height, 4, 4);
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gc.drawRoundRectangle(bb.x, bb.y, bb.width, bb.height, 4, 4);
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}
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}
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@Override
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public Point computeSize(int wHint, int hHint, boolean changed) {
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return new Point(length, height);
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}
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public void highlight(boolean highlight) {
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highlighted=highlight;
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redraw();
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}
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}
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