/**
* Copyright (c) 2012 Todoroo Inc
*
* See the file "LICENSE" for the full license governing this code.
*/
package com.todoroo.astrid.core;
import java.util.List;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;
import com.timsu.astrid.R;
import com.todoroo.astrid.api.MultipleSelectCriterion;
import com.todoroo.astrid.api.TextInputCriterion;
import com.todoroo.astrid.core.CustomFilterActivity.CriterionInstance;
import com.todoroo.astrid.data.AddOn;
/**
* Adapter for {@link AddOn}s
*
* @author Tim Su <tim@todoroo.com>
*
*/
public class CustomFilterAdapter extends ArrayAdapter<CriterionInstance> {
private final CustomFilterActivity activity;
private final LayoutInflater inflater;
public CustomFilterAdapter(CustomFilterActivity activity, List<CriterionInstance> objects) {
super(activity, R.id.name, objects);
this.activity = activity;
inflater = (LayoutInflater) activity.getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
}
// --- view event handling
View.OnClickListener filterClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
ViewHolder viewHolder = (ViewHolder) v.getTag();
if(viewHolder == null)
return;
if(viewHolder.item.type == CriterionInstance.TYPE_UNIVERSE)
return;
showOptionsFor(viewHolder.item, new Runnable() {
@Override
public void run() {
activity.updateList();
notifyDataSetInvalidated();
}
});
}
};
public void onCreateContextMenu(ContextMenu menu, View v) {
// view holder
ViewHolder viewHolder = (ViewHolder) v.getTag();
if(viewHolder == null || viewHolder.item.type == CriterionInstance.TYPE_UNIVERSE)
return;
int index = getPosition(viewHolder.item);
menu.setHeaderTitle(viewHolder.name.getText());
if(viewHolder.icon.getVisibility() == View.VISIBLE)
menu.setHeaderIcon(viewHolder.icon.getDrawable());
MenuItem item = menu.add(CustomFilterActivity.MENU_GROUP_CONTEXT_TYPE, CriterionInstance.TYPE_INTERSECT, index,
activity.getString(R.string.CFA_context_chain,
activity.getString(R.string.CFA_type_intersect)));
item.setChecked(viewHolder.item.type == CriterionInstance.TYPE_INTERSECT);
item = menu.add(CustomFilterActivity.MENU_GROUP_CONTEXT_TYPE, CriterionInstance.TYPE_ADD, index,
activity.getString(R.string.CFA_context_chain,
activity.getString(R.string.CFA_type_add)));
item.setChecked(viewHolder.item.type == CriterionInstance.TYPE_ADD);
item = menu.add(CustomFilterActivity.MENU_GROUP_CONTEXT_TYPE, CriterionInstance.TYPE_SUBTRACT, index,
activity.getString(R.string.CFA_context_chain,
activity.getString(R.string.CFA_type_subtract)));
item.setChecked(viewHolder.item.type == CriterionInstance.TYPE_SUBTRACT);
menu.setGroupCheckable(CustomFilterActivity.MENU_GROUP_CONTEXT_TYPE, true, true);
menu.add(CustomFilterActivity.MENU_GROUP_CONTEXT_DELETE, 0, index,
R.string.CFA_context_delete);
}
/**
* Show options menu for the given criterioninstance
* @param item
*/
public void showOptionsFor(final CriterionInstance item, final Runnable onComplete) {
AlertDialog.Builder dialog = new AlertDialog.Builder(activity).
setTitle(item.criterion.name);
if(item.criterion instanceof MultipleSelectCriterion) {
MultipleSelectCriterion multiSelectCriterion = (MultipleSelectCriterion) item.criterion;
final String[] titles = multiSelectCriterion.entryTitles;
ArrayAdapter<String> adapter = new ArrayAdapter<String>(activity,
android.R.layout.simple_spinner_dropdown_item, titles);
DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface click, int which) {
item.selectedIndex = which;
if(onComplete != null)
onComplete.run();
}
};
dialog.setAdapter(adapter, listener);
} else if(item.criterion instanceof TextInputCriterion) {
TextInputCriterion textInCriterion = (TextInputCriterion) item.criterion;
FrameLayout frameLayout = new FrameLayout(activity);
frameLayout.setPadding(10, 0, 10, 0);
final EditText editText = new EditText(activity);
editText.setText(item.selectedText);
editText.setHint(textInCriterion.hint);
frameLayout.addView(editText, new FrameLayout.LayoutParams(
FrameLayout.LayoutParams.FILL_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT));
dialog.setMessage(textInCriterion.prompt).setView(frameLayout).
setPositiveButton(android.R.string.ok, new OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int which) {
item.selectedText = editText.getText().toString();
if(onComplete != null)
onComplete.run();
}
});
}
dialog.show().setOwnerActivity(activity);
}
// --- view construction
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if(convertView == null) {
convertView = inflater.inflate(R.layout.custom_filter_row, parent, false);
ViewHolder viewHolder = new ViewHolder();
viewHolder.type = (ImageView) convertView.findViewById(R.id.type);
viewHolder.icon = (ImageView) convertView.findViewById(R.id.icon);
viewHolder.name= (TextView) convertView.findViewById(R.id.name);
viewHolder.filterView = (FilterView) convertView.findViewById(R.id.filter);
convertView.setTag(viewHolder);
}
ViewHolder viewHolder = (ViewHolder)convertView.getTag();
viewHolder.item = getItem(position);
initializeView(convertView);
// listeners
convertView.setOnCreateContextMenuListener(activity);
convertView.setOnClickListener(filterClickListener);
return convertView;
}
private class ViewHolder {
public CriterionInstance item;
public ImageView type;
public ImageView icon;
public TextView name;
public FilterView filterView;
}
@SuppressWarnings("nls")
private void initializeView(View convertView) {
ViewHolder viewHolder = (ViewHolder) convertView.getTag();
CriterionInstance item = viewHolder.item;
String title = item.getTitleFromCriterion();
viewHolder.type.setVisibility(item.type == CriterionInstance.TYPE_UNIVERSE ?
View.GONE : View.VISIBLE);
switch(item.type) {
case CriterionInstance.TYPE_ADD:
viewHolder.type.setImageResource(R.drawable.arrow_join);
title = activity.getString(R.string.CFA_type_add) + " " + title;
break;
case CriterionInstance.TYPE_SUBTRACT:
viewHolder.type.setImageResource(R.drawable.arrow_branch);
title = activity.getString(R.string.CFA_type_subtract) + " " + title;
break;
case CriterionInstance.TYPE_INTERSECT:
viewHolder.type.setImageResource(R.drawable.arrow_down);
break;
}
viewHolder.icon.setVisibility(item.criterion.icon == null ? View.GONE :
View.VISIBLE);
if(item.criterion.icon != null)
viewHolder.icon.setImageBitmap(item.criterion.icon);
viewHolder.name.setText(title);
viewHolder.filterView.setMax(item.max);
viewHolder.filterView.setStart(item.start);
viewHolder.filterView.setEnd(item.end);
}
}