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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.libreoffice.ui;
import org.libreoffice.R;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Color;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import java.io.File;
import java.util.Stack;
public class FolderIconView extends View{
private String TAG = "FolderIconView";
private Paint mPaintBlack;
private Paint mPaintGray;
private Paint mPaintShadow;
private File dir;
public FolderIconView(Context context ) {
super(context);
initialisePaints();
}
public FolderIconView(Context context, AttributeSet attrs) {
super(context, attrs);
initialisePaints();
}
public FolderIconView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initialisePaints();
}
private void initialisePaints(){
mPaintBlack = new Paint();
mPaintBlack.setColor( Color.DKGRAY );//Can also use parseColor( String "#aarrggbb")
mPaintBlack.setAntiAlias( true );
mPaintGray = new Paint();
mPaintGray.setColor( Color.GRAY );//Can also use parseColor( String "#aarrggbb")
mPaintGray.setAntiAlias( true );
mPaintShadow = new Paint();
mPaintShadow.setColor( Color.parseColor( "#88888888") );
mPaintShadow.setAntiAlias( true );
}
public void setDir( File dir ){
this.dir = dir;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
Log.d( TAG, "onDraw");
//float width = (float)canvas.getWidth();
//float height = (float)canvas.getHeight();
float width = (float)this.getWidth();
float height = (float)this.getHeight();
float centerX = width*0.5f;// centered on horz axis
float centerY = height*0.5f;
float outerRadius = 0.8f*0.5f* width;
float innerRadius = 0.7f*0.5f* width;
float thumbHeight = outerRadius*1.25f;
float thumbWidth = thumbHeight*(float)(1/Math.sqrt(2));
float DZx = 0.2f*outerRadius;
float DZy = 0.2f*outerRadius;
//Bitmap blankPage = BitmapFactory.decodeResource( getResources() , R.drawable.page );
Log.i( TAG , Float.toString( width ) + " X " + Float.toString( height ) );
canvas.drawCircle( centerX , centerY , outerRadius , mPaintGray );
canvas.drawCircle( centerX , centerY , innerRadius , mPaintBlack );
//Either get thumbs from directory or use generic page images
//For now just get the first 4 thumbs -> add some checks later
if( dir == null )
return;//TODO
File[] contents = dir.listFiles();//TODO consider filtering thumbs to match grid.
if( contents == null )
// dir is not a directory,
// or user does not have permissions to read it
return;
Stack<Bitmap> thumbs = new Stack<Bitmap>();
BitmapFactory factory = new BitmapFactory();
for( File file : contents ){
if( !FileUtilities.isThumbnail(file) )
continue;
thumbs.push( factory.decodeFile( file.getAbsolutePath() ) );//TODO switch to push for semantics
if( thumbs.size() > 3 )
break;
}
/*while( thumbs.size() < 4 ){// padd out with blanks?
thumbs.push( blankPage );
}*/
Log.i( TAG, Integer.toString( thumbs.size() ) );
//should handle empty folders better
// options:
// don't show?
// show generic LO icons for writer etc
// Show a generic blank page icon
if( thumbs.isEmpty() )
return;
/*float left = centerX ;//+ 0.25f*outerRadius;
float top = centerY - 0.5f*outerRadius;
float right = left + thumbs.get(0).getWidth()*0.4f;
float bottom = top + thumbs.get(0).getHeight()*0.4f;
RectF dest = new RectF( left, top , right , bottom );
RectF shadowBox = new RectF(dest);
shadowBox.inset( -1 , -1 );
int size = thumbs.size();
for( int i = 1 ; i <= size ; i++ ){
canvas.drawRect( shadowBox , mPaintShadow);
canvas.drawBitmap( thumbs.pop() , null , dest , null);
dest.offset( -outerRadius*0.2f , outerRadius*0.1f );
shadowBox.offset( -outerRadius*0.2f , outerRadius*0.1f );
}*/
float left;
float top;
float right;
float bottom;
RectF dest;
RectF shadowBox;
int size;
switch( thumbs.size() ){
case 0:
break;
case 1:
left = centerX - 0.5f*thumbWidth;
top = centerY - 0.5f*thumbHeight;
right = left + thumbWidth;
bottom = top + thumbHeight;
dest = new RectF( left, top , right , bottom );
shadowBox = new RectF(dest);
shadowBox.inset( -1 , -1 );
canvas.drawRect( shadowBox , mPaintShadow);
canvas.drawBitmap( thumbs.pop() , null , dest , null);
break;
case 2:
left = centerX - 0.5f*thumbWidth + 0.5f*DZx;
top = centerY - 0.5f*thumbHeight - 0.5f*DZy;
right = left + thumbWidth;
bottom = top + thumbHeight;
dest = new RectF( left, top , right , bottom );
shadowBox = new RectF(dest);
shadowBox.inset( -1 , -1 );
size = thumbs.size();
for( int i = 1 ; i <= size ; i++ ){
canvas.drawRect( shadowBox , mPaintShadow);
canvas.drawBitmap( thumbs.pop() , null , dest , null);
dest.offset( -DZx , DZy );
shadowBox.offset( -DZx , DZy );
}
break;
case 3:
left = centerX - 0.5f*thumbWidth + DZx;
top = centerY - 0.5f*thumbHeight - DZy;
right = left + thumbWidth;
bottom = top + thumbHeight;
dest = new RectF( left, top , right , bottom );
shadowBox = new RectF(dest);
shadowBox.inset( -1 , -1 );
size = thumbs.size();
for( int i = 1 ; i <= size ; i++ ){
canvas.drawRect( shadowBox , mPaintShadow);
canvas.drawBitmap( thumbs.pop() , null , dest , null);
dest.offset( -DZx , DZy );
shadowBox.offset( -DZx , DZy );
}
break;
case 4:
left = centerX - 0.5f*thumbWidth + 1.5f*DZx;
top = centerY - 0.5f*thumbHeight - 1.5f*DZy;
right = left + thumbWidth;
bottom = top + thumbHeight;
dest = new RectF( left, top , right , bottom );
shadowBox = new RectF(dest);
shadowBox.inset( -1 , -1 );
size = thumbs.size();
for( int i = 1 ; i <= size ; i++ ){
canvas.drawRect( shadowBox , mPaintShadow);
canvas.drawBitmap( thumbs.pop() , null , dest , null);
dest.offset( -DZx , DZy );
shadowBox.offset( -DZx , DZy );
}
break;
default:
break;
}
//test
return;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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