package nodebox.client;

import javax.imageio.ImageIO;

import javax.swing.*;

import javax.swing.plaf.basic.BasicSplitPaneDivider;

import javax.swing.plaf.basic.BasicSplitPaneUI;

import java.awt.*;

import java.io.File;

import java.io.IOException;

import java.util.Locale;

public class EditorSplitPane extends CustomSplitPane {

private static Image editorSplitterBackground, editorSplitterHandle;

private static int editorSplitterHandleWidth;

private static final int DIVIDER_SIZE = 15;

static {

try {

// The height of this image should be equal to DIVIDER_SIZE.

editorSplitterBackground = ImageIO.read(new File("res/editor-splitter-background.png"));

editorSplitterHandle = ImageIO.read(new File("res/editor-splitter-handle.png"));

editorSplitterHandleWidth = editorSplitterHandle.getWidth(null);

} catch (IOException e) {

e.printStackTrace();

}

}

private String positionString = "";

private boolean showMessages = false;

public EditorSplitPane(int orientation, Component c1, Component c2) {

super(orientation, c1, c2);

setDividerSize(DIVIDER_SIZE);

c2.setVisible(false);

setEnabled(false);

}

public void setLocation(int line, int column) {

positionString = String.format(Locale.US, "Line: %4d Column: %4d", line, column);

repaint();

}

public boolean isShowMessages() {

return showMessages;

}

public void setShowMessages(boolean showMessages) {

if (showMessages == this.showMessages)

return;

this.showMessages = showMessages;

if (showMessages) {

setEnabled(true);

setDividerLocation(0.6);

setResizeWeight(0.6);

getBottomComponent().setVisible(true);

} else {

setEnabled(false);

setDividerLocation(1.0);

setResizeWeight(1.0);

getBottomComponent().setVisible(false);

}

}

@Override

protected BasicSplitPaneUI createUI() {

return new EditorSplitPaneUI();

}

private class EditorSplitPaneUI extends BasicSplitPaneUI {

public BasicSplitPaneDivider createDefaultDivider() {

return new BasicSplitPaneDivider(EditorSplitPaneUI.this) {

@Override

public void paint(Graphics g) {

int width = getWidth();

//int height = getHeight();

//Rectangle r = g.getClipBounds();

if (getOrientation() == JSplitPane.HORIZONTAL_SPLIT)

throw new AssertionError("Horizontal split is not implemented.");

g.drawImage(editorSplitterBackground, 0, 0, width, DIVIDER_SIZE, null);

if (isShowMessages()) {

g.drawImage(editorSplitterHandle, width - 3 - editorSplitterHandleWidth, 1, null);

}

g.setFont(Theme.SMALL_BOLD_FONT);

g.setColor(Theme.TEXT_NORMAL_COLOR);

SwingUtils.drawShadowText((Graphics2D) g, positionString, 5, 13);

}

};

}

}

}