Last active
March 10, 2019 12:20
-
-
Save ezhov-da/3171eda9b8a9cb5d2c3fc2ee0d5985ed to your computer and use it in GitHub Desktop.
java рисуем форму диалога
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
[code:]java[:code] | |
package ru.ezhov.components.showcomment; | |
import com.sun.awt.AWTUtilities; | |
import java.awt.AlphaComposite; | |
import java.awt.BasicStroke; | |
import java.awt.BorderLayout; | |
import java.awt.Color; | |
import java.awt.Dimension; | |
import java.awt.GradientPaint; | |
import java.awt.Graphics; | |
import java.awt.Graphics2D; | |
import java.awt.Point; | |
import java.awt.RenderingHints; | |
import static java.awt.RenderingHints.KEY_COLOR_RENDERING; | |
import static java.awt.RenderingHints.VALUE_COLOR_RENDER_QUALITY; | |
import java.awt.Shape; | |
import java.awt.Stroke; | |
import java.awt.event.ComponentListener; | |
import java.awt.geom.Ellipse2D; | |
import java.awt.geom.GeneralPath; | |
import java.util.HashMap; | |
import java.util.Map; | |
import javax.swing.JFrame; | |
import javax.swing.JLabel; | |
import javax.swing.JPanel; | |
import javax.swing.JWindow; | |
/** | |
* элемент отображения комментария для компонента | |
* <p> | |
* @author ezhov_da | |
*/ | |
public class JECommentWindow extends JWindow | |
{ | |
protected JPanel commentPanel = new JPanel(null); | |
protected JLabel label = new JLabel(); | |
private float indent; | |
public JECommentWindow() | |
{ | |
init(); | |
} | |
protected void init() | |
{ | |
commentPanel.add(label, BorderLayout.CENTER); | |
add(commentPanel); | |
} | |
public JLabel getLabel() | |
{ | |
return label; | |
} | |
@Override | |
public void setVisible(boolean b) | |
{ | |
AWTUtilities.setWindowOpaque(this, false); | |
AWTUtilities.setWindowOpacity(this, 0.85f); | |
com.sun.awt.AWTUtilities.setWindowShape(this, createShape()); | |
setLocationComponentNotify(); | |
//отображаем текст предупреждения | |
super.setVisible(b); //To change body of generated methods, choose Tools | Templates. | |
} | |
/** отображаем компонент с предупреждение */ | |
private void setLocationComponentNotify() | |
{ | |
Dimension dimensionFrame = JECommentWindow.this.getSize(); //получаем размер компонента | |
Dimension dimensionComponent = label.getSize(); //получаем размер уведомления | |
int yLoc = dimensionFrame.height / 2 - dimensionComponent.height / 2; | |
label.setLocation((int) indent, yLoc); | |
} | |
/** | |
* создаем фигуру для фоормы | |
* <p> | |
* @return фигура | |
*/ | |
private Shape createShape() | |
{ | |
GeneralPath polyline = new GeneralPath(); | |
Dimension dimension = JECommentWindow.this.getSize(); //получаем размер панели | |
float min = 5; //маленькиий отступ | |
float max = 5 * dimension.height / 100; //большой отступ = константа (процент от размера * на высоту компонента / 100) | |
indent = max + min + 10; //это отступ для расположения элемента | |
float width = (float) dimension.width; //получаем ширину | |
float height = (float) dimension.height; //получаем высоту | |
//всего в построении фигуры используется 14 точек | |
//фигура будет строится относительно размеров формы + константы отступов | |
float[] x = | |
{ | |
min, | |
min + max, | |
min + max, | |
min + max, | |
min + max * 2, | |
width - min - max, | |
width - min, | |
width - min, | |
width - min, | |
width - min, | |
width - min - max, | |
min + max * 2, | |
min + max, | |
min + max, | |
min + max | |
}; | |
float[] y = | |
{ | |
height / 2, | |
height / 2 - max, | |
min + max, | |
min, | |
min, | |
min, | |
min, | |
min + max, | |
height - min - max, | |
height - min, | |
height - min, | |
height - min, | |
height - min, | |
height - min - max, | |
height / 2 + max | |
}; | |
//рисуем линию | |
polyline.moveTo(x[0], y[0]); | |
polyline.lineTo(x[1], y[1]); | |
polyline.lineTo(x[2], y[2]); | |
polyline.curveTo(x[2], y[2], x[3], y[3], x[4], y[4]); | |
polyline.lineTo(x[5], y[5]); | |
polyline.curveTo(x[5], y[5], x[6], y[6], x[7], y[7]); | |
polyline.lineTo(x[8], y[8]); | |
polyline.curveTo(x[8], y[8], x[9], y[9], x[10], y[10]); | |
polyline.lineTo(x[11], y[11]); | |
polyline.curveTo(x[11], y[11], x[12], y[12], x[13], y[13]); | |
polyline.lineTo(x[14], y[14]); | |
polyline.closePath(); | |
return polyline; | |
} | |
private Color top = new Color(250, 250, 250); | |
private Color bottom = new Color(238, 238, 238); | |
@Override | |
public void paint(Graphics g) | |
{ | |
super.paint(g); | |
Graphics2D gd = (Graphics2D) g; | |
gd.setRenderingHint(RenderingHints.KEY_ANTIALIASING, | |
RenderingHints.VALUE_ANTIALIAS_ON); | |
gd.setComposite( | |
AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1f)); | |
gd.setPaint(new GradientPaint(0, 0, top, 0, 700, bottom)); | |
gd.draw(createShape()); | |
} | |
} | |
//тестовый пример----------------------------------------------------------------------------------------------------------------- | |
// polyline.moveTo(0, 50); | |
// polyline.lineTo(20, 30); | |
// polyline.lineTo(20, 10); | |
// polyline.curveTo(20, 10, 30, 8, 40, 5); | |
// polyline.lineTo(80, 5); | |
// polyline.curveTo(80, 5, 90, 8, 100, 10); | |
// polyline.lineTo(100, 70); | |
// polyline.curveTo(100, 70, 90, 75, 80, 80); | |
// polyline.lineTo(40, 80); | |
// polyline.curveTo(40, 80, 30, 75, 20, 70); | |
// polyline.lineTo(20, 50); | |
// polyline.closePath(); | |
//------------------------------------------------------------------------------------------------------------------------------------------- | |
[/code] |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment