X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Ffanfix%2Freader%2Ftui%2FTSimpleScrollableWindow.java;fp=src%2Fbe%2Fnikiroo%2Ffanfix%2Freader%2Ftui%2FTSimpleScrollableWindow.java;h=48a225e69eace660902a3823b7936ebaf290cc78;hb=b6d172980d63ca3fa6880f152373de46deaaadcc;hp=0000000000000000000000000000000000000000;hpb=28a82bab4c068af216ac38609a8dd2c0bf2f531a;p=fanfix.git

diff --git a/src/be/nikiroo/fanfix/reader/tui/TSimpleScrollableWindow.java b/src/be/nikiroo/fanfix/reader/tui/TSimpleScrollableWindow.java
new file mode 100644
index 0000000..48a225e
--- /dev/null
+++ b/src/be/nikiroo/fanfix/reader/tui/TSimpleScrollableWindow.java
@@ -0,0 +1,119 @@
+package be.nikiroo.fanfix.reader.tui;
+
+import jexer.TApplication;
+import jexer.THScroller;
+import jexer.TPanel;
+import jexer.TScrollableWindow;
+import jexer.TVScroller;
+import jexer.TWidget;
+
+public class TSimpleScrollableWindow extends TScrollableWindow {
+	protected TPanel mainPane;
+	private int prevHorizontal = -1;
+	private int prevVertical = -1;
+
+	public TSimpleScrollableWindow(TApplication application, String title,
+			int width, int height) {
+		this(application, title, width, height, 0, 0, 0);
+	}
+
+	public TSimpleScrollableWindow(TApplication application, String title,
+			int width, int height, int flags) {
+		this(application, title, width, height, flags, 0, 0);
+	}
+
+	// 0 = none (so, no scrollbar)
+	public TSimpleScrollableWindow(TApplication application, String title,
+			int width, int height, int flags, int realWidth, int realHeight) {
+		super(application, title, width, height, flags);
+
+		mainPane = new TPanel(this, 0, 0, width, 80) {
+			@Override
+			public void draw() {
+				for (TWidget children : mainPane.getChildren()) {
+					int y = children.getY() + children.getHeight();
+					int x = children.getX() + children.getWidth();
+					boolean visible = (y > getVerticalValue())
+							&& (x > getHorizontalValue());
+					children.setVisible(visible);
+				}
+				super.draw();
+			}
+		};
+
+		// // TODO: test
+		// for (int i = 0; i < 80; i++) {
+		// mainPane.addLabel("ligne " + i, i, i);
+		// }
+
+		setRealWidth(realWidth);
+		setRealHeight(realHeight);
+		placeScrollbars();
+	}
+
+	/**
+	 * The main pane on which you can add other widgets for this scrollable
+	 * window.
+	 * 
+	 * @return the main pane
+	 */
+	public TPanel getMainPane() {
+		return mainPane;
+	}
+
+	public void setRealWidth(int realWidth) {
+		if (realWidth <= 0) {
+			if (hScroller != null) {
+				hScroller.remove();
+			}
+		} else {
+			if (hScroller == null) {
+				// size/position will be fixed by placeScrollbars()
+				hScroller = new THScroller(this, 0, 0, 10);
+			}
+			hScroller.setRightValue(realWidth);
+		}
+
+		reflowData();
+	}
+
+	public void setRealHeight(int realHeight) {
+		if (realHeight <= 0) {
+			if (vScroller != null) {
+				vScroller.remove();
+			}
+		} else {
+			if (vScroller == null) {
+				// size/position will be fixed by placeScrollbars()
+				vScroller = new TVScroller(this, 0, 0, 10);
+			}
+			vScroller.setBottomValue(realHeight);
+		}
+
+		reflowData();
+	}
+
+	@Override
+	public void reflowData() {
+		super.reflowData();
+		reflowData(getHorizontalValue(), getVerticalValue());
+	}
+
+	protected void reflowData(int totalX, int totalY) {
+		super.reflowData();
+		mainPane.setX(-totalX);
+		mainPane.setY(-totalY);
+	}
+
+	@Override
+	public void draw() {
+		if (prevHorizontal != getHorizontalValue()
+				|| prevVertical != getVerticalValue()) {
+			prevHorizontal = getHorizontalValue();
+			prevVertical = getVerticalValue();
+			reflowData();
+		}
+
+		super.draw();
+	}
+}