本文整理汇总了Java中org.jfree.chart.plot.Pannable类的典型用法代码示例。如果您正苦于以下问题：Java Pannable类的具体用法？Java Pannable怎么用？Java Pannable使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
Pannable类属于org.jfree.chart.plot包，在下文中一共展示了Pannable类的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: handleMousePressed
import org.jfree.chart.plot.Pannable; //导入依赖的package包/类
/**
* Handles a mouse pressed event by recording the initial mouse pointer
* location.
*
* @param canvas the JavaFX canvas ({@code null} not permitted).
* @param e the mouse event ({@code null} not permitted).
*/
@Override
public void handleMousePressed(ChartCanvas canvas, MouseEvent e) {
Plot plot = canvas.getChart().getPlot();
if (!(plot instanceof Pannable)) {
canvas.clearLiveHandler();
return;
}
Pannable pannable = (Pannable) plot;
if (pannable.isDomainPannable() || pannable.isRangePannable()) {
Point2D point = new Point2D.Double(e.getX(), e.getY());
Rectangle2D dataArea = canvas.findDataArea(point);
if (dataArea != null && dataArea.contains(point)) {
this.panW = dataArea.getWidth();
this.panH = dataArea.getHeight();
this.panLast = point;
canvas.setCursor(javafx.scene.Cursor.MOVE);
}
}
// the actual panning occurs later in the mouseDragged() method
}
示例2: handleMousePressed
import org.jfree.chart.plot.Pannable; //导入依赖的package包/类
/**
* Handles a mouse pressed event by recording the initial mouse pointer
* location.
*
* @param canvas the JavaFX canvas (<code>null</code> not permitted).
* @param e the mouse event (<code>null</code> not permitted).
*/
@Override
public void handleMousePressed(ChartCanvas canvas, MouseEvent e) {
Plot plot = canvas.getChart().getPlot();
if (!(plot instanceof Pannable)) {
canvas.clearLiveHandler();
return;
}
Pannable pannable = (Pannable) plot;
if (pannable.isDomainPannable() || pannable.isRangePannable()) {
Point2D point = new Point2D.Double(e.getX(), e.getY());
Rectangle2D dataArea = canvas.findDataArea(point);
if (dataArea != null && dataArea.contains(point)) {
this.panW = dataArea.getWidth();
this.panH = dataArea.getHeight();
this.panLast = point;
canvas.setCursor(javafx.scene.Cursor.MOVE);
}
}
// the actual panning occurs later in the mouseDragged() method
}
示例3: mousePressed
import org.jfree.chart.plot.Pannable; //导入依赖的package包/类
/**
* Handles a mouse pressed event.
*
* @param e the event.
*/
public void mousePressed(MouseEvent e) {
ChartPanel panel = (ChartPanel) e.getSource();
Plot plot = panel.getChart().getPlot();
if (!(plot instanceof Pannable)) {
return; // there's nothing for us to do
}
Pannable pannable = (Pannable) plot;
if (pannable.isDomainPannable() || pannable.isRangePannable()) {
Rectangle2D screenDataArea = panel.getScreenDataArea(e.getX(),
e.getY());
if (screenDataArea != null && screenDataArea.contains(
e.getPoint())) {
this.panW = screenDataArea.getWidth();
this.panH = screenDataArea.getHeight();
this.panLast = e.getPoint();
panel.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
}
}
// the actual panning occurs later in the mouseDragged() method
}
示例4: handleMouseDragged
import org.jfree.chart.plot.Pannable; //导入依赖的package包/类
/**
* Handles a mouse dragged event by calculating the distance panned and
* updating the axes accordingly.
*
* @param canvas the JavaFX canvas ({@code null} not permitted).
* @param e the mouse event ({@code null} not permitted).
*/
@Override
public void handleMouseDragged(ChartCanvas canvas, MouseEvent e) {
if (this.panLast == null) {
//handle panning if we have a start point else unregister
canvas.clearLiveHandler();
return;
}
JFreeChart chart = canvas.getChart();
double dx = e.getX() - this.panLast.getX();
double dy = e.getY() - this.panLast.getY();
if (dx == 0.0 && dy == 0.0) {
return;
}
double wPercent = -dx / this.panW;
double hPercent = dy / this.panH;
boolean old = chart.getPlot().isNotify();
chart.getPlot().setNotify(false);
Pannable p = (Pannable) chart.getPlot();
PlotRenderingInfo info = canvas.getRenderingInfo().getPlotInfo();
if (p.getOrientation().isVertical()) {
p.panDomainAxes(wPercent, info, this.panLast);
p.panRangeAxes(hPercent, info, this.panLast);
}
else {
p.panDomainAxes(hPercent, info, this.panLast);
p.panRangeAxes(wPercent, info, this.panLast);
}
this.panLast = new Point2D.Double(e.getX(), e.getY());
chart.getPlot().setNotify(old);
}
示例5: handleMouseDragged
import org.jfree.chart.plot.Pannable; //导入依赖的package包/类
/**
* Handles a mouse dragged event by calculating the distance panned and
* updating the axes accordingly.
*
* @param canvas the JavaFX canvas (<code>null</code> not permitted).
* @param e the mouse event (<code>null</code> not permitted).
*/
public void handleMouseDragged(ChartCanvas canvas, MouseEvent e) {
if (this.panLast == null) {
//handle panning if we have a start point else unregister
canvas.clearLiveHandler();
return;
}
JFreeChart chart = canvas.getChart();
double dx = e.getX() - this.panLast.getX();
double dy = e.getY() - this.panLast.getY();
if (dx == 0.0 && dy == 0.0) {
return;
}
double wPercent = -dx / this.panW;
double hPercent = dy / this.panH;
boolean old = chart.getPlot().isNotify();
chart.getPlot().setNotify(false);
Pannable p = (Pannable) chart.getPlot();
PlotRenderingInfo info = canvas.getRenderingInfo().getPlotInfo();
if (p.getOrientation().isVertical()) {
p.panDomainAxes(wPercent, info, this.panLast);
p.panRangeAxes(hPercent, info, this.panLast);
}
else {
p.panDomainAxes(hPercent, info, this.panLast);
p.panRangeAxes(wPercent, info, this.panLast);
}
this.panLast = new Point2D.Double(e.getX(), e.getY());
chart.getPlot().setNotify(old);
}
示例6: mouseDragged
import org.jfree.chart.plot.Pannable; //导入依赖的package包/类
/**
* Handles a mouse dragged event. This is where the panning occurs.
*
* @param e the event.
*/
public void mouseDragged(MouseEvent e) {
// handle panning if we have a start point
if (this.panLast == null) {
return;
}
ChartPanel panel = (ChartPanel) e.getSource();
JFreeChart chart = panel.getChart();
double dx = e.getX() - this.panLast.getX();
double dy = e.getY() - this.panLast.getY();
if (dx == 0.0 && dy == 0.0) {
return;
}
double wPercent = -dx / this.panW;
double hPercent = dy / this.panH;
boolean old = chart.getPlot().isNotify();
chart.getPlot().setNotify(false);
Pannable p = (Pannable) chart.getPlot();
PlotRenderingInfo info = panel.getChartRenderingInfo().getPlotInfo();
if (p.getOrientation() == PlotOrientation.VERTICAL) {
p.panDomainAxes(wPercent, info, this.panLast);
p.panRangeAxes(hPercent, info, this.panLast);
}
else {
p.panDomainAxes(hPercent, info, this.panLast);
p.panRangeAxes(wPercent, info, this.panLast);
}
this.panLast = e.getPoint();
chart.getPlot().setNotify(old);
return;
}