package com.mxgraph.shape;
import com.mxgraph.canvas.mxGraphics2DCanvas;
import com.mxgraph.canvas.mxGraphicsCanvas2D;
import com.mxgraph.util.mxConstants;
import com.mxgraph.util.mxRectangle;
import com.mxgraph.util.mxUtils;
import com.mxgraph.view.mxCellState;
public class mxSwimlaneShape extends mxBasicShape
{
/**
* Returns the bounding box for the gradient box for this shape.
*/
protected double getTitleSize(mxGraphics2DCanvas canvas, mxCellState state)
{
return Math.max(
0,
mxUtils.getFloat(state.getStyle(), mxConstants.STYLE_STARTSIZE,
mxConstants.DEFAULT_STARTSIZE) * canvas.getScale());
};
/**
*
*/
protected mxRectangle getGradientBounds(mxGraphics2DCanvas canvas,
mxCellState state)
{
double start = getTitleSize(canvas, state);
if (mxUtils
.isTrue(state.getStyle(), mxConstants.STYLE_HORIZONTAL, true))
{
start = Math.min(start, state.getHeight());
return new mxRectangle(state.getX(), state.getY(),
state.getWidth(), start);
}
else
{
start = Math.min(start, state.getWidth());
return new mxRectangle(state.getX(), state.getY(), start,
state.getHeight());
}
}
/**
*
*/
public void paintShape(mxGraphics2DCanvas canvas, mxCellState state)
{
double start = getTitleSize(canvas, state);
String fill = mxUtils.getString(state.getStyle(),
mxConstants.STYLE_SWIMLANE_FILLCOLOR, mxConstants.NONE);
boolean swimlaneLine = mxUtils.isTrue(state.getStyle(),
mxConstants.STYLE_SWIMLANE_LINE, true);
double r = 0;
if (mxUtils
.isTrue(state.getStyle(), mxConstants.STYLE_HORIZONTAL, true))
{
start = Math.min(start, state.getHeight());
}
else
{
start = Math.min(start, state.getWidth());
}
canvas.getGraphics().translate(state.getX(), state.getY());
if (!mxUtils.isTrue(state.getStyle(), mxConstants.STYLE_ROUNDED))
{
paintSwimlane(canvas, state, start, fill, swimlaneLine);
}
else
{
r = getArcSize(state, start);
paintRoundedSwimlane(canvas, state, start, r, fill, swimlaneLine);
}
String sep = mxUtils.getString(state.getStyle(), mxConstants.STYLE_SEPARATORCOLOR, mxConstants.NONE);
paintSeparator(canvas, state, start, sep);
}
/**
* Helper method to configure the given wrapper canvas.
*/
protected double getArcSize(mxCellState state, double start)
{
double f = mxUtils.getDouble(state.getStyle(),
mxConstants.STYLE_ARCSIZE,
mxConstants.RECTANGLE_ROUNDING_FACTOR * 100) / 100;
return start * f * 3;
}
/**
* Helper method to configure the given wrapper canvas.
*/
protected mxGraphicsCanvas2D configureCanvas(mxGraphics2DCanvas canvas,
mxCellState state, mxGraphicsCanvas2D c)
{
c.setShadow(hasShadow(canvas, state));
c.setStrokeColor(mxUtils.getString(state.getStyle(),
mxConstants.STYLE_STROKECOLOR, mxConstants.NONE));
c.setStrokeWidth(mxUtils.getInt(state.getStyle(),
mxConstants.STYLE_STROKEWIDTH, 1));
c.setDashed(mxUtils.isTrue(state.getStyle(), mxConstants.STYLE_DASHED,
false));
String fill = mxUtils.getString(state.getStyle(),
mxConstants.STYLE_FILLCOLOR, mxConstants.NONE);
String gradient = mxUtils.getString(state.getStyle(),
mxConstants.STYLE_GRADIENTCOLOR, mxConstants.NONE);
if (!mxConstants.NONE.equals(fill)
&& !mxConstants.NONE.equals(gradient))
{
mxRectangle b = getGradientBounds(canvas, state);
c.setGradient(fill, gradient, b.getX(), b.getY(), b.getWidth(), b
.getHeight(), mxUtils.getString(state.getStyle(),
mxConstants.STYLE_GRADIENT_DIRECTION,
mxConstants.DIRECTION_NORTH), 1, 1);
}
else
{
c.setFillColor(fill);
}
return c;
}
/**
*
*/
protected void paintSwimlane(mxGraphics2DCanvas canvas, mxCellState state,
double start, String fill, boolean swimlaneLine)
{
mxGraphicsCanvas2D c = configureCanvas(canvas, state,
new mxGraphicsCanvas2D(canvas.getGraphics()));
double w = state.getWidth();
double h = state.getHeight();
if (!mxConstants.NONE.equals(fill))
{
c.save();
c.setFillColor(fill);
c.rect(0, 0, w, h);
c.fillAndStroke();
c.restore();
c.setShadow(false);
}
c.begin();
if (mxUtils
.isTrue(state.getStyle(), mxConstants.STYLE_HORIZONTAL, true))
{
c.moveTo(0, start);
c.lineTo(0, 0);
c.lineTo(w, 0);
c.lineTo(w, start);
if (swimlaneLine || start >= h)
{
c.close();
}
c.fillAndStroke();
// Transparent content area
if (start < h && mxConstants.NONE.equals(fill))
{
c.begin();
c.moveTo(0, start);
c.lineTo(0, h);
c.lineTo(w, h);
c.lineTo(w, start);
c.stroke();
}
}
else
{
c.moveTo(start, 0);
c.lineTo(0, 0);
c.lineTo(0, h);
c.lineTo(start, h);
if (swimlaneLine || start >= w)
{
c.close();
}
c.fillAndStroke();
// Transparent content area
if (start < w && mxConstants.NONE.equals(fill))
{
c.begin();
c.moveTo(start, 0);
c.lineTo(w, 0);
c.lineTo(w, h);
c.lineTo(start, h);
c.stroke();
}
}
};
/**
* Function: paintRoundedSwimlane
*
* Paints the swimlane vertex shape.
*/
protected void paintRoundedSwimlane(mxGraphics2DCanvas canvas,
mxCellState state, double start, double r, String fill,
boolean swimlaneLine)
{
mxGraphicsCanvas2D c = configureCanvas(canvas, state,
new mxGraphicsCanvas2D(canvas.getGraphics()));
double w = state.getWidth();
double h = state.getHeight();
if (!mxConstants.NONE.equals(fill))
{
c.save();
c.setFillColor(fill);
c.roundrect(0, 0, w, h, r, r);
c.fillAndStroke();
c.restore();
c.setShadow(false);
}
c.begin();
if (mxUtils
.isTrue(state.getStyle(), mxConstants.STYLE_HORIZONTAL, true))
{
c.moveTo(w, start);
c.lineTo(w, r);
c.quadTo(w, 0, w - Math.min(w / 2, r), 0);
c.lineTo(Math.min(w / 2, r), 0);
c.quadTo(0, 0, 0, r);
c.lineTo(0, start);
if (swimlaneLine || start >= h)
{
c.close();
}
c.fillAndStroke();
// Transparent content area
if (start < h && mxConstants.NONE.equals(fill))
{
c.begin();
c.moveTo(0, start);
c.lineTo(0, h - r);
c.quadTo(0, h, Math.min(w / 2, r), h);
c.lineTo(w - Math.min(w / 2, r), h);
c.quadTo(w, h, w, h - r);
c.lineTo(w, start);
c.stroke();
}
}
else
{
c.moveTo(start, 0);
c.lineTo(r, 0);
c.quadTo(0, 0, 0, Math.min(h / 2, r));
c.lineTo(0, h - Math.min(h / 2, r));
c.quadTo(0, h, r, h);
c.lineTo(start, h);
if (swimlaneLine || start >= w)
{
c.close();
}
c.fillAndStroke();
// Transparent content area
if (start < w && mxConstants.NONE.equals(fill))
{
c.begin();
c.moveTo(start, h);
c.lineTo(w - r, h);
c.quadTo(w, h, w, h - Math.min(h / 2, r));
c.lineTo(w, Math.min(h / 2, r));
c.quadTo(w, 0, w - r, 0);
c.lineTo(start, 0);
c.stroke();
}
}
};
/**
* Function: paintSwimlane
*
* Paints the swimlane vertex shape.
*/
protected void paintSeparator(mxGraphics2DCanvas canvas, mxCellState state,
double start, String color)
{
mxGraphicsCanvas2D c = new mxGraphicsCanvas2D(canvas.getGraphics());
double w = state.getWidth();
double h = state.getHeight();
if (!mxConstants.NONE.equals(color))
{
c.setStrokeColor(color);
c.setDashed(true);
c.begin();
if (mxUtils.isTrue(state.getStyle(), mxConstants.STYLE_HORIZONTAL,
true))
{
c.moveTo(w, start);
c.lineTo(w, h);
}
else
{
c.moveTo(start, 0);
c.lineTo(w, 0);
}
c.stroke();
c.setDashed(false);
}
};
}