/*
* Geopaparazzi - Digital field mapping on Android based devices
* Copyright (C) 2010 HydroloGIS (www.hydrologis.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package eu.geopaparazzi.library.forms.views;
import static eu.geopaparazzi.library.forms.FormUtilities.COLON;
import static eu.geopaparazzi.library.forms.FormUtilities.UNDERSCORE;
import java.io.File;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.logging.Logger;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.net.Uri;
import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.view.ViewTreeObserver;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import eu.geopaparazzi.library.R;
import eu.geopaparazzi.library.database.GPLog;
import eu.geopaparazzi.library.sketch.DrawingActivity;
import eu.geopaparazzi.library.util.FileUtilities;
import eu.geopaparazzi.library.util.LibraryConstants;
import eu.geopaparazzi.library.util.PositionUtilities;
import eu.geopaparazzi.library.util.ResourcesManager;
import eu.geopaparazzi.library.util.debug.Debug;
/**
* A custom Sketch view.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class GSketchView extends View implements GView {
private String _value;
private List<String> addedImages = new ArrayList<String>();
private LinearLayout imageLayout;
private File lastImageFile;
public GSketchView( Context context, AttributeSet attrs, int defStyle ) {
super(context, attrs, defStyle);
}
public GSketchView( Context context, AttributeSet attrs ) {
super(context, attrs);
}
public GSketchView( final Context context, AttributeSet attrs, LinearLayout parentView, String key, String value,
String constraintDescription ) {
super(context, attrs);
_value = value;
LinearLayout textLayout = new LinearLayout(context);
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT);
layoutParams.setMargins(10, 10, 10, 10);
textLayout.setLayoutParams(layoutParams);
textLayout.setOrientation(LinearLayout.VERTICAL);
parentView.addView(textLayout);
TextView textView = new TextView(context);
textView.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
textView.setPadding(2, 2, 2, 2);
textView.setText(key.replace(UNDERSCORE, " ").replace(COLON, " ") + " " + constraintDescription);
textView.setTextColor(context.getResources().getColor(R.color.formcolor));
textLayout.addView(textView);
final Button button = new Button(context);
button.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
button.setPadding(15, 5, 15, 5);
button.setText(R.string.draw_sketch);
textLayout.addView(button);
button.setOnClickListener(new View.OnClickListener(){
public void onClick( View v ) {
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
double[] gpsLocation = PositionUtilities.getGpsLocationFromPreferences(preferences);
Date currentDate = new Date();
String currentDatestring = LibraryConstants.TIMESTAMPFORMATTER.format(currentDate);
File mediaDir = null;
try {
mediaDir = ResourcesManager.getInstance(context).getMediaDir();
} catch (Exception e) {
e.printStackTrace();
}
lastImageFile = new File(mediaDir, "SKETCH_" + currentDatestring + ".png");
Intent sketchIntent = new Intent(context, DrawingActivity.class);
String imagePath = lastImageFile.getAbsolutePath();
sketchIntent.putExtra(LibraryConstants.PREFS_KEY_PATH, imagePath);
if (gpsLocation != null) {
sketchIntent.putExtra(LibraryConstants.LATITUDE, gpsLocation[1]);
sketchIntent.putExtra(LibraryConstants.LONGITUDE, gpsLocation[0]);
sketchIntent.putExtra(LibraryConstants.ELEVATION, gpsLocation[2]);
}
context.startActivity(sketchIntent);
}
});
ScrollView scrollView = new ScrollView(context);
ScrollView.LayoutParams scrollLayoutParams = new ScrollView.LayoutParams(LayoutParams.FILL_PARENT, 150);
scrollView.setLayoutParams(scrollLayoutParams);
parentView.addView(scrollView);
imageLayout = new LinearLayout(context);
LinearLayout.LayoutParams imageLayoutParams = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.FILL_PARENT);
imageLayout.setLayoutParams(imageLayoutParams);
// imageLayout.setMinimumHeight(200);
imageLayout.setOrientation(LinearLayout.HORIZONTAL);
scrollView.addView(imageLayout);
// scrollView.setFillViewport(true);
ViewTreeObserver observer = imageLayout.getViewTreeObserver();
observer.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener(){
public boolean onPreDraw() {
if (lastImageFile != null && lastImageFile.exists()) {
String imagePath = lastImageFile.getAbsolutePath();
_value = _value + ";" + imagePath;
try {
// THIS IS PLAIN UGLY
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
refresh(context);
lastImageFile = null;
}
return true;
}
});
refresh(context);
}
private void refresh( final Context context ) {
log("Entering refresh....");
if (_value != null && _value.length() > 0) {
String[] imageSplit = _value.split(";");
log("Handling images: " + _value);
for( String imageAbsolutePath : imageSplit ) {
log("img: " + imageAbsolutePath);
if (imageAbsolutePath.length() == 0) {
continue;
}
if (addedImages.contains(imageAbsolutePath.trim())) {
continue;
}
final File image = new File(imageAbsolutePath);
if (!image.exists()) {
log("Img doesn't exist on disk....");
continue;
}
Bitmap thumbnail = FileUtilities.readScaledBitmap(image, 100);
ImageView imageView = new ImageView(context);
imageView.setLayoutParams(new LinearLayout.LayoutParams(102, 102));
imageView.setPadding(5, 5, 5, 5);
imageView.setImageBitmap(thumbnail);
imageView.setBackgroundDrawable(getResources().getDrawable(R.drawable.border_black_1px));
imageView.setOnClickListener(new View.OnClickListener(){
public void onClick( View v ) {
Intent intent = new Intent();
intent.setAction(android.content.Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(image), "image/*"); //$NON-NLS-1$
context.startActivity(intent);
}
});
log("Creating thumb and adding it: " + imageAbsolutePath);
imageLayout.addView(imageView);
imageLayout.invalidate();
addedImages.add(imageAbsolutePath);
}
if (addedImages.size() > 0) {
StringBuilder sb = new StringBuilder();
for( String imagePath : addedImages ) {
sb.append(";").append(imagePath);
}
_value = sb.substring(1);
log("New img paths: " + _value);
}
log("Exiting refresh....");
}
}
private void log( String msg ) {
if (GPLog.LOG_HEAVY)
GPLog.addLogEntry(this, null, null, msg);
}
public String getValue() {
return _value;
}
@Override
public void setOnActivityResult( Intent data ) {
}
}