added merge tu grid Panel

moved borders to external components added text field for one line with select
2026-03-18 21:50:04 +00:00 · 2020-04-27 17:32:34 +03:00
parent 2e4d83085a
commit 202610764b
29 changed files with 546 additions and 187 deletions
--- a/src/guiTree/Components/Text.java
+++ b/src/guiTree/Components/Text.java
@@ -0,0 +1,185 @@
+package guiTree.Components;
+
+import guiTree.Visual;
+import guiTree.events.MouseAdapter;
+
+import java.awt.*;
+import java.awt.event.MouseEvent;
+import java.awt.image.BufferedImage;
+
+public class Text extends Visual {
+    private String text;
+    private boolean selectable;
+    private int startIndex;
+    private int endIndex;
+    private int textWidth;
+    private int textHeight;
+    private boolean inside;
+    private int[] characterWidthMap;
+    private FontMetrics fontMetrics;
+    private int textX;
+    private int textY;
+
+    public Text() {
+        this(0, 0, "");
+    }
+
+    public Text(int x, int y, String text) {
+        super(x, y);
+        this.text = text;
+        inside = false;
+        characterWidthMap = new int[text.length()];
+        startIndex = -1;
+        endIndex = -1;
+        textX = 0;
+        textY = 0;
+
+        addMouseListener(new MouseAdapter() {
+            @Override
+            public void mousePressed(MouseEvent mouseEvent) {
+                int x = mouseEvent.getX();
+                int y = mouseEvent.getY();
+                if(isOverText(x, y)) {
+                    startIndex = getCharAt(x);
+                    System.out.println("Start Index: " + startIndex);
+                    return;
+                }
+                startIndex = -1;
+                endIndex = -1;
+                update();
+            }
+
+            @Override
+            public void mouseDragged(MouseEvent mouseEvent) {
+                int x = mouseEvent.getX();
+                int y = mouseEvent.getY();
+
+                if(startIndex != -1) {
+                    endIndex = getCharAt(x);
+                    System.out.println("End index: " + endIndex);
+                }
+                update();
+            }
+
+            @Override
+            public void mouseExited(MouseEvent mouseEvent) {
+                if(inside) {
+                    setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
+                }
+            }
+
+            @Override
+            public void mouseMoved(MouseEvent mouseEvent) {
+                int x = mouseEvent.getX();
+                int y = mouseEvent.getY();
+                if(isOverText(x, y)) {
+                    if(!inside) {
+                        setCursor(new Cursor(Cursor.TEXT_CURSOR));
+                        inside = true;
+                    }
+                    return;
+                }
+                if(inside) {
+                    setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
+                    inside = false;
+                }
+            }
+        });
+    }
+
+    public String getText() {
+        return text;
+    }
+
+    public void setText(String text) {
+        this.text = text;
+        characterWidthMap = new int[text.length()];
+    }
+
+    public void setSelectable(Boolean selectable) {
+        this.selectable = selectable;
+    }
+
+    private int getCharAt(int x) {
+        int location = (getWidth() - textWidth)/2;
+        for(int i = 0; i < text.length(); i++) {
+            if(x < location + characterWidthMap[i] / 2) {
+                return i;
+            }
+            location += characterWidthMap[i];
+        }
+        return text.length()-1;
+    }
+
+    @Override
+    public void setFont(Font font) {
+        super.setFont(font);
+        fontMetrics = null;
+    }
+
+    private boolean isOverText(int x, int y) {
+        if(x < textX || x > textX + textWidth) {
+            return false;
+        }
+        if(y > textY || y < textY - textHeight) {
+            return false;
+        }
+        System.out.println("Text X: " + textX + " Text Y: " + textY + " x: " + x + " y: " + y + " textWidth: " + textWidth + " textHeight: " + textHeight);
+        return true;
+    }
+
+    private void setCharacterWidthMap() {
+        for(int i = 0; i < text.length(); i++) {
+            int charWidth = fontMetrics.charWidth(text.charAt(i));
+            characterWidthMap[i] = charWidth;
+        }
+        textWidth = fontMetrics.stringWidth(text);
+        textHeight = fontMetrics.getHeight();
+        textX = (getWidth() - textWidth)/2;
+        textY = (getHeight() + textHeight)/2;
+    }
+
+
+    public void paint(BufferedImage imageBuffer) {
+        Graphics2D g = imageBuffer.createGraphics();
+
+        if(getFont() != null) {
+            g.setFont(getFont());
+        }
+        if(fontMetrics == null) {
+            fontMetrics = g.getFontMetrics();
+            setCharacterWidthMap();
+        }
+
+        if(startIndex != -1 && endIndex != -1) {
+            int startX;
+            int endX;
+            if(startIndex > endIndex) {
+                endX = startIndex;
+                startX = endIndex;
+            }
+            else {
+                startX = startIndex;
+                endX = endIndex;
+            }
+            int highlightStartX = textX;
+            int highlightEndX = textX;
+
+            for(int i = 0; i <= endX; i++) {
+                if(i < startX) {
+                    highlightStartX += characterWidthMap[i];
+                }
+                highlightEndX += characterWidthMap[i];
+            }
+
+            g.setColor(Color.BLUE);
+            g.fillRect(highlightStartX, textY - textHeight + 3, highlightEndX - highlightStartX, textHeight);
+        }
+
+        g.setColor(getFontColor());
+
+        g.drawString(text, textX, textY);
+
+        g.dispose();
+    }
+}