/*
*  Make a prettier Dialog box
*
*  (c)2000 David R. Adaskin
*
*/

import com.sun.kjava.*;

public class InfoDialog extends Dialog {
    int left   = 20;  // Defaults
    int top    = 20;
    int width;
    int height;
	int tbX;
	int tbY;
	int tbW;
	int tbH;
	int buttonX;
	int buttonY;


	static final int BITMAP_HEIGHT = 32;
	static final int BUTTON_HEIGHT = 14; 

	static final int BITMAP_SPACE = 1;
	static final int BUTTON_SPACE = 2;

	static final int SIDE_MARGIN   = 5;
    static final int TOP_MARGIN    = 5;
	static final int BOTTOM_MARGIN = 10;
	



    public InfoDialog(DialogOwner o, String title, String text) {
        super(o,title,text,"OK");

		scaleToText(text);
		super.g.setDrawRegion(left, top, width, height);

		tbX = left   + SIDE_MARGIN;
		tbY = top    + TOP_MARGIN;
		tbW = width  - SIDE_MARGIN;
		tbH = height - (BOTTOM_MARGIN+BUTTON_HEIGHT);
        super.tb = new TextBox(text, tbX, tbY, tbW, tbH);

		buttonX = left + width - (super.g.getWidth("OK") + 5) - 2;
		buttonY = top+height-BUTTON_HEIGHT-2;
        super.button = new Button("OK", buttonX, buttonY);
    }

	
    public void showDialog() {
        super.showDialog();
        super.g.drawBorder(left, top, width, height, super.g.GRAY, super.g.RAISED);
     }

	
     void scaleToText(String str) {
        int pointer=0;
        int count=0;
        int newPtr;
		int tmp;
		int additional = TOP_MARGIN + BOTTOM_MARGIN;
        int end = str.length();

        height = super.g.getHeight(str);
        width  = 0;

        while (pointer<=end){
            newPtr=str.indexOf(10, pointer);  // "\n" is decimal 10
            if (newPtr == -1) newPtr = end;
            count++;
            tmp=g.getWidth(str.substring(pointer, newPtr));
            if (tmp > width) {
				width = tmp;
			}
            pointer = newPtr + 1;
        }

		additional += BUTTON_HEIGHT;
		
		height = height * count + additional;
        width  = width + 2 * SIDE_MARGIN + 1;
     }

}