+++ /dev/null
-/*
- * Copyright 2011 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 net.sf.openrocket.android.actionbarcompat;
-
-import java.io.IOException;
-import java.util.HashSet;
-import java.util.Set;
-
-import net.sf.openrocket.R;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.res.XmlResourceParser;
-import android.os.Bundle;
-import android.view.Gravity;
-import android.view.InflateException;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.Window;
-import android.widget.ImageButton;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.ProgressBar;
-import android.widget.TextView;
-
-/**
- * A class that implements the action bar pattern for pre-Honeycomb devices.
- */
-public class ActionBarHelperBase extends ActionBarHelper {
- private static final String MENU_RES_NAMESPACE = "http://schemas.android.com/apk/res/android";
- private static final String MENU_ATTR_ID = "id";
- private static final String MENU_ATTR_SHOW_AS_ACTION = "showAsAction";
-
- private boolean showHomeAsUpEnabled = false;
-
- protected Set<Integer> mActionItemIds = new HashSet<Integer>();
-
- protected ActionBarHelperBase(Activity activity) {
- super(activity);
- }
-
- /**{@inheritDoc}*/
- @Override
- public void onCreate(Bundle savedInstanceState) {
- mActivity.requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
- }
-
- /**{@inheritDoc}*/
- @Override
- public void onPostCreate(Bundle savedInstanceState) {
- mActivity.getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,
- R.layout.actionbar_compat);
- setupActionBar();
-
- SimpleMenu menu = new SimpleMenu(mActivity);
- mActivity.onCreatePanelMenu(Window.FEATURE_OPTIONS_PANEL, menu);
- mActivity.onPrepareOptionsMenu(menu);
- for (int i = 0; i < menu.size(); i++) {
- MenuItem item = menu.getItem(i);
- if (mActionItemIds.contains(item.getItemId())) {
- addActionItemCompatFromMenuItem(item);
- }
- }
- }
-
- /**
- * Sets up the compatibility action bar with the given title.
- */
- private void setupActionBar() {
- final ViewGroup actionBarCompat = getActionBarCompat();
- if (actionBarCompat == null) {
- return;
- }
-
- LinearLayout.LayoutParams springLayoutParams = new LinearLayout.LayoutParams(
- 0, ViewGroup.LayoutParams.FILL_PARENT);
- springLayoutParams.weight = 1;
-
- // Add Home as Up Carat
- ImageButton homeAsUp = new ImageButton(mActivity,null, R.attr.actionbarCompatHomeAsUpStyle);
- homeAsUp.setId(R.id.actionbar_home_as_up);
- LinearLayout.LayoutParams centerVerticalParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
- centerVerticalParams.gravity = Gravity.CENTER_VERTICAL;
- homeAsUp.setLayoutParams(centerVerticalParams);
- homeAsUp.setVisibility( showHomeAsUpEnabled ? View.VISIBLE : View.INVISIBLE );
- actionBarCompat.addView(homeAsUp);
-
- // Add Home button
- SimpleMenu tempMenu = new SimpleMenu(mActivity);
- SimpleMenuItem homeItem = new SimpleMenuItem(
- tempMenu, android.R.id.home, 0, mActivity.getString(R.string.app_name));
- homeItem.setIcon(R.drawable.home_item);
- addActionItemCompatFromMenuItem(homeItem);
-
- // Add title text
- TextView titleText = new TextView(mActivity, null, R.attr.actionbarCompatTitleStyle);
- titleText.setLayoutParams(springLayoutParams);
- titleText.setText(mActivity.getTitle());
- actionBarCompat.addView(titleText);
-
- }
-
- /**{@inheritDoc}*/
- @Override
- public void setRefreshActionItemState(boolean refreshing) {
- View refreshButton = mActivity.findViewById(R.id.actionbar_compat_item_refresh);
- View refreshIndicator = mActivity.findViewById(
- R.id.actionbar_compat_item_refresh_progress);
-
- if (refreshButton != null) {
- refreshButton.setVisibility(refreshing ? View.GONE : View.VISIBLE);
- }
- if (refreshIndicator != null) {
- refreshIndicator.setVisibility(refreshing ? View.VISIBLE : View.GONE);
- }
- }
-
- /**
- * Action bar helper code to be run in {@link Activity#onCreateOptionsMenu(android.view.Menu)}.
- *
- * NOTE: This code will mark on-screen menu items as invisible.
- */
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- // Hides on-screen action items from the options menu.
- for (Integer id : mActionItemIds) {
- menu.findItem(id).setVisible(false);
- }
- return true;
- }
-
- /**{@inheritDoc}*/
- @Override
- protected void onTitleChanged(CharSequence title, int color) {
- TextView titleView = (TextView) mActivity.findViewById(R.id.actionbar_compat_title);
- if (titleView != null) {
- titleView.setText(title);
- }
- }
-
- /**
- * Returns a {@link android.view.MenuInflater} that can read action bar metadata on
- * pre-Honeycomb devices.
- */
- public MenuInflater getMenuInflater(MenuInflater superMenuInflater) {
- return new WrappedMenuInflater(mActivity, superMenuInflater);
- }
-
- @Override
- public void setDisplayHomeAsUpEnabled(boolean enabled) {
- showHomeAsUpEnabled = enabled;
- View v = mActivity.findViewById(R.id.actionbar_home_as_up);
- if ( v != null ) {
- v.setVisibility( showHomeAsUpEnabled ? View.VISIBLE : View.INVISIBLE );
- }
-
- }
-
- @Override
- public void hide() {
- ViewGroup actionbar = getActionBarCompat();
- actionbar.setVisibility(View.GONE);
- }
- /**
- * Returns the {@link android.view.ViewGroup} for the action bar on phones (compatibility action
- * bar). Can return null, and will return null on Honeycomb.
- */
- private ViewGroup getActionBarCompat() {
- return (ViewGroup) mActivity.findViewById(R.id.actionbar_compat);
- }
-
- /**
- * Adds an action button to the compatibility action bar, using menu information from a {@link
- * android.view.MenuItem}. If the menu item ID is <code>menu_refresh</code>, the menu item's
- * state can be changed to show a loading spinner using
- * {@link com.example.android.actionbarcompat.ActionBarHelperBase#setRefreshActionItemState(boolean)}.
- */
- private View addActionItemCompatFromMenuItem(final MenuItem item) {
- final int itemId = item.getItemId();
-
- final ViewGroup actionBar = getActionBarCompat();
- if (actionBar == null) {
- return null;
- }
-
- // Create the button
- ImageButton actionButton = new ImageButton(mActivity, null,
- itemId == android.R.id.home
- ? R.attr.actionbarCompatItemHomeStyle
- : R.attr.actionbarCompatItemStyle);
- actionButton.setLayoutParams(new ViewGroup.LayoutParams(
- (int) mActivity.getResources().getDimension(
- itemId == android.R.id.home
- ? R.dimen.actionbar_compat_button_home_width
- : R.dimen.actionbar_compat_button_width),
- ViewGroup.LayoutParams.FILL_PARENT));
- if (itemId == R.id.menu_refresh) {
- actionButton.setId(R.id.actionbar_compat_item_refresh);
- }
- actionButton.setImageDrawable(item.getIcon());
- actionButton.setScaleType(ImageView.ScaleType.CENTER);
- actionButton.setContentDescription(item.getTitle());
- actionButton.setOnClickListener(new View.OnClickListener() {
- public void onClick(View view) {
- mActivity.onMenuItemSelected(Window.FEATURE_OPTIONS_PANEL, item);
- }
- });
-
- actionBar.addView(actionButton);
-
- if (item.getItemId() == R.id.menu_refresh) {
- // Refresh buttons should be stateful, and allow for indeterminate progress indicators,
- // so add those.
- ProgressBar indicator = new ProgressBar(mActivity, null,
- R.attr.actionbarCompatProgressIndicatorStyle);
-
- final int buttonWidth = mActivity.getResources().getDimensionPixelSize(
- R.dimen.actionbar_compat_button_width);
- final int buttonHeight = mActivity.getResources().getDimensionPixelSize(
- R.dimen.actionbar_compat_height);
- final int progressIndicatorWidth = buttonWidth / 2;
-
- LinearLayout.LayoutParams indicatorLayoutParams = new LinearLayout.LayoutParams(
- progressIndicatorWidth, progressIndicatorWidth);
- indicatorLayoutParams.setMargins(
- (buttonWidth - progressIndicatorWidth) / 2,
- (buttonHeight - progressIndicatorWidth) / 2,
- (buttonWidth - progressIndicatorWidth) / 2,
- 0);
- indicator.setLayoutParams(indicatorLayoutParams);
- indicator.setVisibility(View.GONE);
- indicator.setId(R.id.actionbar_compat_item_refresh_progress);
- actionBar.addView(indicator);
- }
-
- return actionButton;
- }
-
- /**
- * A {@link android.view.MenuInflater} that reads action bar metadata.
- */
- private class WrappedMenuInflater extends MenuInflater {
- MenuInflater mInflater;
-
- public WrappedMenuInflater(Context context, MenuInflater inflater) {
- super(context);
- mInflater = inflater;
- }
-
- @Override
- public void inflate(int menuRes, Menu menu) {
- loadActionBarMetadata(menuRes);
- mInflater.inflate(menuRes, menu);
- }
-
- /**
- * Loads action bar metadata from a menu resource, storing a list of menu item IDs that
- * should be shown on-screen (i.e. those with showAsAction set to always or ifRoom).
- * @param menuResId
- */
- private void loadActionBarMetadata(int menuResId) {
- XmlResourceParser parser = null;
- try {
- parser = mActivity.getResources().getXml(menuResId);
-
- int eventType = parser.getEventType();
- int itemId;
- int showAsAction;
-
- boolean eof = false;
- while (!eof) {
- switch (eventType) {
- case XmlPullParser.START_TAG:
- if (!parser.getName().equals("item")) {
- break;
- }
-
- itemId = parser.getAttributeResourceValue(MENU_RES_NAMESPACE,
- MENU_ATTR_ID, 0);
- if (itemId == 0) {
- break;
- }
-
- showAsAction = parser.getAttributeIntValue(MENU_RES_NAMESPACE,
- MENU_ATTR_SHOW_AS_ACTION, -1);
- if (showAsAction == MenuItem.SHOW_AS_ACTION_ALWAYS ||
- showAsAction == MenuItem.SHOW_AS_ACTION_IF_ROOM) {
- mActionItemIds.add(itemId);
- }
- break;
-
- case XmlPullParser.END_DOCUMENT:
- eof = true;
- break;
- }
-
- eventType = parser.next();
- }
- } catch (XmlPullParserException e) {
- throw new InflateException("Error inflating menu XML", e);
- } catch (IOException e) {
- throw new InflateException("Error inflating menu XML", e);
- } finally {
- if (parser != null) {
- parser.close();
- }
- }
- }
-
- }
-}
projects / debian / openrocket / blobdiff