AttributeView.java

/*******************************************************************************
 * Copyright (c) 2010 Denis Solonenko.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Denis Solonenko - initial API and implementation
 ******************************************************************************/
package ru.orangesoftware.financisto2.view;

import ru.orangesoftware.financisto2.R;
import ru.orangesoftware.financisto2.model.Attribute;
import ru.orangesoftware.financisto2.model.TransactionAttribute;
import ru.orangesoftware.financisto2.view.NodeInflater.Builder;
import ru.orangesoftware.financisto2.view.NodeInflater.CheckBoxBuilder;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.text.InputType;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;

public abstract class AttributeView implements OnClickListener {
	public final Attribute attribute;

	protected final Context context;
	protected final NodeInflater inflater;

	public AttributeView(Context context, Attribute attribute) {
		this.context = context;
		this.attribute = attribute;
		LayoutInflater layoutInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		this.inflater = new NodeInflater(layoutInflater);
	}

	@Override
	public void onClick(View view) {
		// do nothing by default
	}
		
	public abstract View inflateView(LinearLayout layout, String value);
	
	public abstract String value();

	public TransactionAttribute newTransactionAttribute() {
		TransactionAttribute ta = new TransactionAttribute();
		ta.attributeId = attribute.id;
		ta.value = value();
		return ta;
	}

}

class TextAttributeView extends AttributeView {

	private EditText editText;
	
	public TextAttributeView(Context context, Attribute attribute) {
		super(context, attribute);
	}

	@Override
	public View inflateView(LinearLayout layout, String value) {
		editText = new EditText(context);
		editText.setSingleLine();
		if (value != null) {
			editText.setText(value);
		}
		return inflater.new EditBuilder(layout, editText).withLabel(attribute.name).create();
	}

	@Override
	public String value() {
		return editText.getText().toString();
	}
	
}

class NumberAttributeView extends AttributeView {

	private EditText editText;
	
	public NumberAttributeView(Context context, Attribute attribute) {
		super(context, attribute);
	}

	@Override
	public View inflateView(LinearLayout layout, String value) {
		editText = new EditText(context);
		editText.setSingleLine();
		editText.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_DECIMAL);
		if (value != null) {
			editText.setText(value);
		}
		return inflater.new EditBuilder(layout, editText).withLabel(attribute.name).create();
	}

	@Override
	public String value() {
		return editText.getText().toString();
	}

}

class ListAttributeView extends AttributeView {
	
	private final String[] items;
	private int selectedIndex = -1;

	public ListAttributeView(Context context, Attribute attribute) {
		super(context, attribute);
		items = attribute.listValues != null ? attribute.listValues.split(";") : new String[0];
	}

	@Override
	public View inflateView(LinearLayout layout, String value) {
		Builder b = inflater.new ListBuilder(layout, R.layout.select_entry);
		b.withId(R.id.click_attribute, this);
		if (value != null) {
			b.withData(value);
			for (int i=0; i<items.length; i++) {
				if (items[i].equalsIgnoreCase(value)) {
					selectedIndex = i;
					break;
				}
			}
		}
		return b.withLabel(attribute.name).create();
	}

	@Override
	public void onClick(final View view) {
		ArrayAdapter<String> adapter = new ArrayAdapter<String>(context, android.R.layout.select_dialog_singlechoice, items);
		new AlertDialog.Builder(context)
			.setSingleChoiceItems(adapter, selectedIndex, new DialogInterface.OnClickListener(){
				@Override
				public void onClick(DialogInterface dialog, int which) {
					dialog.dismiss();
					selectedIndex = which;
					TextView text = (TextView)view.findViewById(R.id.data);
					text.setText(items[which]);
				}
			})
			.setTitle(attribute.name)
			.show();

	}
	
	@Override
	public String value() {
		return selectedIndex == -1 ? null : items[selectedIndex];
	}
	
}

class CheckBoxAttributeView extends AttributeView {

	private boolean checked = false; 
	
	public CheckBoxAttributeView(Context context, Attribute attribute) {
		super(context, attribute);
	}

	@Override
	public View inflateView(LinearLayout layout, String value) {
		CheckBoxBuilder b = inflater.new CheckBoxBuilder(layout);
		checked = Boolean.valueOf(value);
		b.withCheckbox(checked);
		b.withId(R.id.click_attribute, this);
		b.withLabel(attribute.name);
		if (attribute.listValues != null) {
			b.withData(attribute.listValues.replace(';', '/'));
		} else {
			b.withData(R.string.checkbox_values);
		}
		return b.withLabel(attribute.name).create();
	}
	
	@Override
	public void onClick(View view) {
		checked = !checked;
		CheckBox b = (CheckBox)view.findViewById(R.id.checkbox);		
		b.setChecked(checked);
	}

	@Override
	public String value() {
		return checked ? Boolean.TRUE.toString() : Boolean.FALSE.toString();
	}

}