Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 68711f93 authored by Philip Milne's avatar Philip Milne Committed by Android (Google) Code Review
Browse files

Merge "Revert "Simple MVC based binding mechanism for android controls."" into jb-mr2-dev

parents 88cec86e ab104ba6
Loading
Loading
Loading
Loading
+3 −33
Original line number Diff line number Diff line
@@ -24447,17 +24447,6 @@ package android.util {
    method public void set(T, V);
  }
  public class PropertyValueModel extends android.util.ValueModel {
    method public T get();
    method public H getHost();
    method public android.util.Property<H, T> getProperty();
    method public java.lang.Class<T> getType();
    method public static android.util.PropertyValueModel<H, T> of(H, android.util.Property<H, T>);
    method public static android.util.PropertyValueModel<H, T> of(H, java.lang.Class<T>, java.lang.String);
    method public static android.util.PropertyValueModel of(java.lang.Object, java.lang.String);
    method public void set(T);
  }
  public class SparseArray implements java.lang.Cloneable {
    ctor public SparseArray();
    ctor public SparseArray(int);
@@ -24624,14 +24613,6 @@ package android.util {
    field public int type;
  }
  public abstract class ValueModel {
    ctor protected ValueModel();
    method public abstract T get();
    method public abstract java.lang.Class<T> getType();
    method public abstract void set(T);
    field public static final android.util.ValueModel EMPTY;
  }
  public class Xml {
    method public static android.util.AttributeSet asAttributeSet(org.xmlpull.v1.XmlPullParser);
    method public static android.util.Xml.Encoding findEncodingByName(java.lang.String) throws java.io.UnsupportedEncodingException;
@@ -29097,12 +29078,10 @@ package android.widget {
    method public abstract void onSelectedDayChange(android.widget.CalendarView, int, int, int);
  }
  public class CheckBox extends android.widget.CompoundButton implements android.widget.ValueEditor {
  public class CheckBox extends android.widget.CompoundButton {
    ctor public CheckBox(android.content.Context);
    ctor public CheckBox(android.content.Context, android.util.AttributeSet);
    ctor public CheckBox(android.content.Context, android.util.AttributeSet, int);
    method public android.util.ValueModel<java.lang.Boolean> getValueModel();
    method public void setValueModel(android.util.ValueModel<java.lang.Boolean>);
  }
  public abstract interface Checkable {
@@ -29275,16 +29254,14 @@ package android.widget {
    method public void setSize(int, int);
  }
  public class EditText extends android.widget.TextView implements android.widget.ValueEditor {
  public class EditText extends android.widget.TextView {
    ctor public EditText(android.content.Context);
    ctor public EditText(android.content.Context, android.util.AttributeSet);
    ctor public EditText(android.content.Context, android.util.AttributeSet, int);
    method public void extendSelection(int);
    method public android.util.ValueModel<java.lang.CharSequence> getValueModel();
    method public void selectAll();
    method public void setSelection(int, int);
    method public void setSelection(int);
    method public void setValueModel(android.util.ValueModel<java.lang.CharSequence>);
  }
  public abstract interface ExpandableListAdapter {
@@ -30313,13 +30290,11 @@ package android.widget {
    method public abstract java.lang.Object[] getSections();
  }
  public class SeekBar extends android.widget.AbsSeekBar implements android.widget.ValueEditor {
  public class SeekBar extends android.widget.AbsSeekBar {
    ctor public SeekBar(android.content.Context);
    ctor public SeekBar(android.content.Context, android.util.AttributeSet);
    ctor public SeekBar(android.content.Context, android.util.AttributeSet, int);
    method public android.util.ValueModel<java.lang.Integer> getValueModel();
    method public void setOnSeekBarChangeListener(android.widget.SeekBar.OnSeekBarChangeListener);
    method public void setValueModel(android.util.ValueModel<java.lang.Integer>);
  }
  public static abstract interface SeekBar.OnSeekBarChangeListener {
@@ -30907,11 +30882,6 @@ package android.widget {
    method public android.widget.TextView getText2();
  }
  public abstract interface ValueEditor {
    method public abstract android.util.ValueModel<T> getValueModel();
    method public abstract void setValueModel(android.util.ValueModel<T>);
  }
  public class VideoView extends android.view.SurfaceView implements android.widget.MediaController.MediaPlayerControl {
    ctor public VideoView(android.content.Context);
    ctor public VideoView(android.content.Context, android.util.AttributeSet);
+0 −143
Original line number Diff line number Diff line
/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.util;

/**
 * A value model for a {@link Property property} of a host object. This class can be used for
 * both reflective and non-reflective property implementations.
 *
 * @param <H> the host type, where the host is the object that holds this property
 * @param <T> the value type
 *
 * @see Property
 * @see ValueModel
 */
public class PropertyValueModel<H, T> extends ValueModel<T> {
    private final H mHost;
    private final Property<H, T> mProperty;

    private PropertyValueModel(H host, Property<H, T> property) {
        mProperty = property;
        mHost = host;
    }

    /**
     * Returns the host.
     *
     * @return the host
     */
    public H getHost() {
        return mHost;
    }

    /**
     * Returns the property.
     *
     * @return the property
     */
    public Property<H, T> getProperty() {
        return mProperty;
    }

    @Override
    public Class<T> getType() {
        return mProperty.getType();
    }

    @Override
    public T get() {
        return mProperty.get(mHost);
    }

    @Override
    public void set(T value) {
        mProperty.set(mHost, value);
    }

    /**
     * Return an appropriate PropertyValueModel for this host and property.
     *
     * @param host the host
     * @param property the property
     * @return the value model
     */
    public static <H, T> PropertyValueModel<H, T> of(H host, Property<H, T> property) {
        return new PropertyValueModel<H, T>(host, property);
    }

    /**
     * Return a PropertyValueModel for this {@code host} and a
     * reflective property, constructed from this {@code propertyType} and {@code propertyName}.
     *
     * @param host
     * @param propertyType the property type
     * @param propertyName the property name
     * @return a value model with this host and a reflective property with this type and name
     *
     * @see Property#of
     */
    public static <H, T> PropertyValueModel<H, T> of(H host, Class<T> propertyType,
            String propertyName) {
        return of(host, Property.of((Class<H>) host.getClass(), propertyType, propertyName));
    }

    private static Class getNullaryMethodReturnType(Class c, String name) {
        try {
            return c.getMethod(name).getReturnType();
        } catch (NoSuchMethodException e) {
            return null;
        }
    }

    private static Class getFieldType(Class c, String name) {
        try {
            return c.getField(name).getType();
        } catch (NoSuchFieldException e) {
            return null;
        }
    }

    private static String capitalize(String name) {
        if (name.isEmpty()) {
            return name;
        }
        return Character.toUpperCase(name.charAt(0)) + name.substring(1);
    }

    /**
     * Return a PropertyValueModel for this {@code host} and and {@code propertyName}.
     *
     * @param host the host
     * @param propertyName the property name
     * @return a value model with this host and a reflective property with this name
     */
    public static PropertyValueModel of(Object host, String propertyName) {
        Class clazz = host.getClass();
        String suffix = capitalize(propertyName);
        Class propertyType = getNullaryMethodReturnType(clazz, "get" + suffix);
        if (propertyType == null) {
            propertyType = getNullaryMethodReturnType(clazz, "is" + suffix);
        } 
        if (propertyType == null) {
            propertyType = getFieldType(clazz, propertyName); 
        }         
        if (propertyType == null) {
            throw new NoSuchPropertyException(propertyName); 
        }
        return of(host, propertyType, propertyName);
    }
}
+0 −74
Original line number Diff line number Diff line
/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.util;

/**
 * A ValueModel is an abstraction for a 'slot' or place in memory in which a value
 * may be stored and retrieved. A common implementation of ValueModel is a regular property of
 * an object, whose value may be retrieved by calling the appropriate <em>getter</em>
 * method and set by calling the corresponding <em>setter</em> method.
 *
 * @param <T> the value type
 *
 * @see PropertyValueModel
 */
public abstract class ValueModel<T> {
    /**
     * The empty model should be used in place of {@code null} to indicate that a
     * model has not been set. The empty model has no value and does nothing when it is set.
     */
    public static final ValueModel EMPTY = new ValueModel() {
        @Override
        public Class getType() {
            return Object.class;
        }

        @Override
        public Object get() {
            return null;
        }

        @Override
        public void set(Object value) {

        }
    };

    protected ValueModel() {
    }

    /**
     * Returns the type of this property.
     *
     * @return the property type
     */
    public abstract Class<T> getType();

    /**
     * Returns the value of this property.
     *
     * @return the property value
     */
    public abstract T get();

    /**
     * Sets the value of this property.
     *
     * @param value the new value for this property
     */
    public abstract void set(T value);
}
 No newline at end of file
+1 −22
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@ import android.content.Context;
import android.util.AttributeSet;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.util.ValueModel;


/**
@@ -56,9 +55,7 @@ import android.util.ValueModel;
 * {@link android.R.styleable#View View Attributes}
 * </p>
 */
public class CheckBox extends CompoundButton implements ValueEditor<Boolean> {
    private ValueModel<Boolean> mValueModel = ValueModel.EMPTY;

public class CheckBox extends CompoundButton {
    public CheckBox(Context context) {
        this(context, null);
    }
@@ -82,22 +79,4 @@ public class CheckBox extends CompoundButton implements ValueEditor<Boolean> {
        super.onInitializeAccessibilityNodeInfo(info);
        info.setClassName(CheckBox.class.getName());
    }

    @Override
    public ValueModel<Boolean> getValueModel() {
        return mValueModel;
    }

    @Override
    public void setValueModel(ValueModel<Boolean> valueModel) {
        mValueModel = valueModel;
        setChecked(mValueModel.get());
    }

    @Override
    public boolean performClick() {
        boolean handled = super.performClick();
        mValueModel.set(isChecked());
        return handled;
    }
}
+1 −22
Original line number Diff line number Diff line
@@ -17,7 +17,6 @@
package android.widget;

import android.content.Context;
import android.graphics.Rect;
import android.text.Editable;
import android.text.Selection;
import android.text.Spannable;
@@ -25,7 +24,6 @@ import android.text.TextUtils;
import android.text.method.ArrowKeyMovementMethod;
import android.text.method.MovementMethod;
import android.util.AttributeSet;
import android.util.ValueModel;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;

@@ -49,9 +47,7 @@ import android.view.accessibility.AccessibilityNodeInfo;
 * {@link android.R.styleable#TextView TextView Attributes},
 * {@link android.R.styleable#View View Attributes}
 */
public class EditText extends TextView implements ValueEditor<CharSequence> {
    private ValueModel<CharSequence> mValueModel = ValueModel.EMPTY;

public class EditText extends TextView {
    public EditText(Context context) {
        this(context, null);
    }
@@ -132,21 +128,4 @@ public class EditText extends TextView implements ValueEditor<CharSequence> {
        super.onInitializeAccessibilityNodeInfo(info);
        info.setClassName(EditText.class.getName());
    }

    @Override
    public ValueModel<CharSequence> getValueModel() {
        return mValueModel;
    }

    @Override
    public void setValueModel(ValueModel<CharSequence> valueModel) {
        mValueModel = valueModel;
        setText(mValueModel.get());
    }

    @Override
    void sendAfterTextChanged(Editable text) {
        super.sendAfterTextChanged(text);
        mValueModel.set(text);
    }
}
Loading