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ListMenuItemView.javaAPI DocAndroid 5.1 API8830Thu Mar 12 22:22:56 GMT 2015android.support.v7.internal.view.menu

ListMenuItemView

public class ListMenuItemView extends android.widget.LinearLayout implements MenuView.ItemView
The item view for each item in the ListView-based MenuViews.
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Fields Summary
private static final String
TAG
private MenuItemImpl
mItemData
private android.widget.ImageView
mIconView
private android.widget.RadioButton
mRadioButton
private android.widget.TextView
mTitleView
private android.widget.CheckBox
mCheckBox
private android.widget.TextView
mShortcutView
private android.graphics.drawable.Drawable
mBackground
private int
mTextAppearance
private android.content.Context
mTextAppearanceContext
private boolean
mPreserveIconSpacing
private int
mMenuType
private android.content.Context
mContext
private android.view.LayoutInflater
mInflater
private boolean
mForceShowIcon
Constructors Summary
public ListMenuItemView(android.content.Context context, android.util.AttributeSet attrs, int defStyle)


           
        super(context, attrs);
        mContext = context;

        final TypedArray a = context.obtainStyledAttributes(
                attrs, R.styleable.MenuView, defStyle, 0);

        mBackground = a.getDrawable(R.styleable.MenuView_android_itemBackground);
        mTextAppearance = a.getResourceId(R.styleable.
                MenuView_android_itemTextAppearance, -1);
        mPreserveIconSpacing = a.getBoolean(
                R.styleable.MenuView_preserveIconSpacing, false);
        mTextAppearanceContext = context;

        a.recycle();
    
public ListMenuItemView(android.content.Context context, android.util.AttributeSet attrs)

        this(context, attrs, 0);
    
Methods Summary
private android.view.LayoutInflatergetInflater()

        if (mInflater == null) {
            mInflater = LayoutInflater.from(mContext);
        }
        return mInflater;
    
public MenuItemImplgetItemData()

        return mItemData;
    
public voidinitialize(MenuItemImpl itemData, int menuType)

        mItemData = itemData;
        mMenuType = menuType;

        setVisibility(itemData.isVisible() ? View.VISIBLE : View.GONE);

        setTitle(itemData.getTitleForItemView(this));
        setCheckable(itemData.isCheckable());
        setShortcut(itemData.shouldShowShortcut(), itemData.getShortcut());
        setIcon(itemData.getIcon());
        setEnabled(itemData.isEnabled());
    
private voidinsertCheckBox()

        LayoutInflater inflater = getInflater();
        mCheckBox =
                (CheckBox) inflater.inflate(R.layout.abc_list_menu_item_checkbox,
                        this, false);
        addView(mCheckBox);
    
private voidinsertIconView()

        LayoutInflater inflater = getInflater();
        mIconView = (ImageView) inflater.inflate(R.layout.abc_list_menu_item_icon,
                this, false);
        addView(mIconView, 0);
    
private voidinsertRadioButton()

        LayoutInflater inflater = getInflater();
        mRadioButton =
                (RadioButton) inflater.inflate(R.layout.abc_list_menu_item_radio,
                        this, false);
        addView(mRadioButton);
    
protected voidonFinishInflate()

        super.onFinishInflate();

        setBackgroundDrawable(mBackground);

        mTitleView = (TextView) findViewById(R.id.title);
        if (mTextAppearance != -1) {
            mTitleView.setTextAppearance(mTextAppearanceContext,
                    mTextAppearance);
        }

        mShortcutView = (TextView) findViewById(R.id.shortcut);
    
protected voidonMeasure(int widthMeasureSpec, int heightMeasureSpec)

        if (mIconView != null && mPreserveIconSpacing) {
            // Enforce minimum icon spacing
            ViewGroup.LayoutParams lp = getLayoutParams();
            LayoutParams iconLp = (LayoutParams) mIconView.getLayoutParams();
            if (lp.height > 0 && iconLp.width <= 0) {
                iconLp.width = lp.height;
            }
        }
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    
public booleanprefersCondensedTitle()

        return false;
    
public voidsetCheckable(boolean checkable)

        if (!checkable && mRadioButton == null && mCheckBox == null) {
            return;
        }

        // Depending on whether its exclusive check or not, the checkbox or
        // radio button will be the one in use (and the other will be otherCompoundButton)
        final CompoundButton compoundButton;
        final CompoundButton otherCompoundButton;

        if (mItemData.isExclusiveCheckable()) {
            if (mRadioButton == null) {
                insertRadioButton();
            }
            compoundButton = mRadioButton;
            otherCompoundButton = mCheckBox;
        } else {
            if (mCheckBox == null) {
                insertCheckBox();
            }
            compoundButton = mCheckBox;
            otherCompoundButton = mRadioButton;
        }

        if (checkable) {
            compoundButton.setChecked(mItemData.isChecked());

            final int newVisibility = checkable ? VISIBLE : GONE;
            if (compoundButton.getVisibility() != newVisibility) {
                compoundButton.setVisibility(newVisibility);
            }

            // Make sure the other compound button isn't visible
            if (otherCompoundButton != null && otherCompoundButton.getVisibility() != GONE) {
                otherCompoundButton.setVisibility(GONE);
            }
        } else {
            if (mCheckBox != null) {
                mCheckBox.setVisibility(GONE);
            }
            if (mRadioButton != null) {
                mRadioButton.setVisibility(GONE);
            }
        }
    
public voidsetChecked(boolean checked)

        CompoundButton compoundButton;

        if (mItemData.isExclusiveCheckable()) {
            if (mRadioButton == null) {
                insertRadioButton();
            }
            compoundButton = mRadioButton;
        } else {
            if (mCheckBox == null) {
                insertCheckBox();
            }
            compoundButton = mCheckBox;
        }

        compoundButton.setChecked(checked);
    
public voidsetForceShowIcon(boolean forceShow)

        mPreserveIconSpacing = mForceShowIcon = forceShow;
    
public voidsetIcon(android.graphics.drawable.Drawable icon)

        final boolean showIcon = mItemData.shouldShowIcon() || mForceShowIcon;
        if (!showIcon && !mPreserveIconSpacing) {
            return;
        }

        if (mIconView == null && icon == null && !mPreserveIconSpacing) {
            return;
        }

        if (mIconView == null) {
            insertIconView();
        }

        if (icon != null || mPreserveIconSpacing) {
            mIconView.setImageDrawable(showIcon ? icon : null);

            if (mIconView.getVisibility() != VISIBLE) {
                mIconView.setVisibility(VISIBLE);
            }
        } else {
            mIconView.setVisibility(GONE);
        }
    
public voidsetShortcut(boolean showShortcut, char shortcutKey)

        final int newVisibility = (showShortcut && mItemData.shouldShowShortcut())
                ? VISIBLE : GONE;

        if (newVisibility == VISIBLE) {
            mShortcutView.setText(mItemData.getShortcutLabel());
        }

        if (mShortcutView.getVisibility() != newVisibility) {
            mShortcutView.setVisibility(newVisibility);
        }
    
public voidsetTitle(java.lang.CharSequence title)

        if (title != null) {
            mTitleView.setText(title);

            if (mTitleView.getVisibility() != VISIBLE) mTitleView.setVisibility(VISIBLE);
        } else {
            if (mTitleView.getVisibility() != GONE) mTitleView.setVisibility(GONE);
        }
    
public booleanshowsIcon()

        return mForceShowIcon;