| /* |
| * Copyright (C) 2008 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 com.android.internal.app; |
| |
| import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; |
| import android.app.AlertDialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.res.TypedArray; |
| import android.database.Cursor; |
| import android.graphics.drawable.Drawable; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.text.TextUtils; |
| import android.util.AttributeSet; |
| import android.view.Gravity; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.WindowManager; |
| import android.view.ViewGroup.LayoutParams; |
| import android.widget.AdapterView; |
| import android.widget.ArrayAdapter; |
| import android.widget.Button; |
| import android.widget.CheckedTextView; |
| import android.widget.CursorAdapter; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.ListAdapter; |
| import android.widget.ListView; |
| import android.widget.ScrollView; |
| import android.widget.SimpleCursorAdapter; |
| import android.widget.TextView; |
| import android.widget.AdapterView.OnItemClickListener; |
| |
| import com.android.internal.R; |
| |
| import java.lang.ref.WeakReference; |
| |
| public class AlertController { |
| |
| private final Context mContext; |
| private final DialogInterface mDialogInterface; |
| private final Window mWindow; |
| |
| private CharSequence mTitle; |
| |
| private CharSequence mMessage; |
| |
| private ListView mListView; |
| |
| private View mView; |
| |
| private int mViewSpacingLeft; |
| |
| private int mViewSpacingTop; |
| |
| private int mViewSpacingRight; |
| |
| private int mViewSpacingBottom; |
| |
| private boolean mViewSpacingSpecified = false; |
| |
| private Button mButtonPositive; |
| |
| private CharSequence mButtonPositiveText; |
| |
| private Message mButtonPositiveMessage; |
| |
| private Button mButtonNegative; |
| |
| private CharSequence mButtonNegativeText; |
| |
| private Message mButtonNegativeMessage; |
| |
| private Button mButtonNeutral; |
| |
| private CharSequence mButtonNeutralText; |
| |
| private Message mButtonNeutralMessage; |
| |
| private ScrollView mScrollView; |
| |
| private int mIconId = -1; |
| |
| private Drawable mIcon; |
| |
| private ImageView mIconView; |
| |
| private TextView mTitleView; |
| |
| private TextView mMessageView; |
| |
| private View mCustomTitleView; |
| |
| private boolean mForceInverseBackground; |
| |
| private ListAdapter mAdapter; |
| |
| private int mCheckedItem = -1; |
| |
| private Handler mHandler; |
| |
| View.OnClickListener mButtonHandler = new View.OnClickListener() { |
| public void onClick(View v) { |
| Message m = null; |
| if (v == mButtonPositive && mButtonPositiveMessage != null) { |
| m = Message.obtain(mButtonPositiveMessage); |
| } else if (v == mButtonNegative && mButtonNegativeMessage != null) { |
| m = Message.obtain(mButtonNegativeMessage); |
| } else if (v == mButtonNeutral && mButtonNeutralMessage != null) { |
| m = Message.obtain(mButtonNeutralMessage); |
| } |
| if (m != null) { |
| m.sendToTarget(); |
| } |
| |
| // Post a message so we dismiss after the above handlers are executed |
| mHandler.obtainMessage(ButtonHandler.MSG_DISMISS_DIALOG, mDialogInterface) |
| .sendToTarget(); |
| } |
| }; |
| |
| private static final class ButtonHandler extends Handler { |
| // Button clicks have Message.what as the BUTTON{1,2,3} constant |
| private static final int MSG_DISMISS_DIALOG = 1; |
| |
| private WeakReference<DialogInterface> mDialog; |
| |
| public ButtonHandler(DialogInterface dialog) { |
| mDialog = new WeakReference<DialogInterface>(dialog); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| |
| case DialogInterface.BUTTON_POSITIVE: |
| case DialogInterface.BUTTON_NEGATIVE: |
| case DialogInterface.BUTTON_NEUTRAL: |
| ((DialogInterface.OnClickListener) msg.obj).onClick(mDialog.get(), msg.what); |
| break; |
| |
| case MSG_DISMISS_DIALOG: |
| ((DialogInterface) msg.obj).dismiss(); |
| } |
| } |
| } |
| |
| public AlertController(Context context, DialogInterface di, Window window) { |
| mContext = context; |
| mDialogInterface = di; |
| mWindow = window; |
| mHandler = new ButtonHandler(di); |
| } |
| |
| static boolean canTextInput(View v) { |
| if (v.onCheckIsTextEditor()) { |
| return true; |
| } |
| |
| if (!(v instanceof ViewGroup)) { |
| return false; |
| } |
| |
| ViewGroup vg = (ViewGroup)v; |
| int i = vg.getChildCount(); |
| while (i > 0) { |
| i--; |
| v = vg.getChildAt(i); |
| if (canTextInput(v)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| public void installContent() { |
| /* We use a custom title so never request a window title */ |
| mWindow.requestFeature(Window.FEATURE_NO_TITLE); |
| |
| if (mView == null || !canTextInput(mView)) { |
| mWindow.setFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM, |
| WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); |
| } |
| mWindow.setContentView(com.android.internal.R.layout.alert_dialog); |
| setupView(); |
| } |
| |
| public void setTitle(CharSequence title) { |
| mTitle = title; |
| if (mTitleView != null) { |
| mTitleView.setText(title); |
| } |
| } |
| |
| /** |
| * @see AlertDialog.Builder#setCustomTitle(View) |
| */ |
| public void setCustomTitle(View customTitleView) { |
| mCustomTitleView = customTitleView; |
| } |
| |
| public void setMessage(CharSequence message) { |
| mMessage = message; |
| if (mMessageView != null) { |
| mMessageView.setText(message); |
| } |
| } |
| |
| /** |
| * Set the view to display in the dialog. |
| */ |
| public void setView(View view) { |
| mView = view; |
| mViewSpacingSpecified = false; |
| } |
| |
| /** |
| * Set the view to display in the dialog along with the spacing around that view |
| */ |
| public void setView(View view, int viewSpacingLeft, int viewSpacingTop, int viewSpacingRight, |
| int viewSpacingBottom) { |
| mView = view; |
| mViewSpacingSpecified = true; |
| mViewSpacingLeft = viewSpacingLeft; |
| mViewSpacingTop = viewSpacingTop; |
| mViewSpacingRight = viewSpacingRight; |
| mViewSpacingBottom = viewSpacingBottom; |
| } |
| |
| /** |
| * Sets a click listener or a message to be sent when the button is clicked. |
| * You only need to pass one of {@code listener} or {@code msg}. |
| * |
| * @param whichButton Which button, can be one of |
| * {@link DialogInterface#BUTTON_POSITIVE}, |
| * {@link DialogInterface#BUTTON_NEGATIVE}, or |
| * {@link DialogInterface#BUTTON_NEUTRAL} |
| * @param text The text to display in positive button. |
| * @param listener The {@link DialogInterface.OnClickListener} to use. |
| * @param msg The {@link Message} to be sent when clicked. |
| */ |
| public void setButton(int whichButton, CharSequence text, |
| DialogInterface.OnClickListener listener, Message msg) { |
| |
| if (msg == null && listener != null) { |
| msg = mHandler.obtainMessage(whichButton, listener); |
| } |
| |
| switch (whichButton) { |
| |
| case DialogInterface.BUTTON_POSITIVE: |
| mButtonPositiveText = text; |
| mButtonPositiveMessage = msg; |
| break; |
| |
| case DialogInterface.BUTTON_NEGATIVE: |
| mButtonNegativeText = text; |
| mButtonNegativeMessage = msg; |
| break; |
| |
| case DialogInterface.BUTTON_NEUTRAL: |
| mButtonNeutralText = text; |
| mButtonNeutralMessage = msg; |
| break; |
| |
| default: |
| throw new IllegalArgumentException("Button does not exist"); |
| } |
| } |
| |
| /** |
| * Set resId to 0 if you don't want an icon. |
| * @param resId the resourceId of the drawable to use as the icon or 0 |
| * if you don't want an icon. |
| */ |
| public void setIcon(int resId) { |
| mIconId = resId; |
| if (mIconView != null) { |
| if (resId > 0) { |
| mIconView.setImageResource(mIconId); |
| } else if (resId == 0) { |
| mIconView.setVisibility(View.GONE); |
| } |
| } |
| } |
| |
| public void setIcon(Drawable icon) { |
| mIcon = icon; |
| if ((mIconView != null) && (mIcon != null)) { |
| mIconView.setImageDrawable(icon); |
| } |
| } |
| |
| public void setInverseBackgroundForced(boolean forceInverseBackground) { |
| mForceInverseBackground = forceInverseBackground; |
| } |
| |
| public ListView getListView() { |
| return mListView; |
| } |
| |
| public Button getButton(int whichButton) { |
| switch (whichButton) { |
| case DialogInterface.BUTTON_POSITIVE: |
| return mButtonPositive; |
| case DialogInterface.BUTTON_NEGATIVE: |
| return mButtonNegative; |
| case DialogInterface.BUTTON_NEUTRAL: |
| return mButtonNeutral; |
| default: |
| return null; |
| } |
| } |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| return mScrollView != null && mScrollView.executeKeyEvent(event); |
| } |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public boolean onKeyUp(int keyCode, KeyEvent event) { |
| return mScrollView != null && mScrollView.executeKeyEvent(event); |
| } |
| |
| private void setupView() { |
| LinearLayout contentPanel = (LinearLayout) mWindow.findViewById(R.id.contentPanel); |
| setupContent(contentPanel); |
| boolean hasButtons = setupButtons(); |
| |
| LinearLayout topPanel = (LinearLayout) mWindow.findViewById(R.id.topPanel); |
| TypedArray a = mContext.obtainStyledAttributes( |
| null, com.android.internal.R.styleable.AlertDialog, com.android.internal.R.attr.alertDialogStyle, 0); |
| boolean hasTitle = setupTitle(topPanel); |
| |
| View buttonPanel = mWindow.findViewById(R.id.buttonPanel); |
| if (!hasButtons) { |
| buttonPanel.setVisibility(View.GONE); |
| } |
| |
| FrameLayout customPanel = null; |
| if (mView != null) { |
| customPanel = (FrameLayout) mWindow.findViewById(R.id.customPanel); |
| FrameLayout custom = (FrameLayout) mWindow.findViewById(R.id.custom); |
| custom.addView(mView, new LayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| if (mViewSpacingSpecified) { |
| custom.setPadding(mViewSpacingLeft, mViewSpacingTop, mViewSpacingRight, |
| mViewSpacingBottom); |
| } |
| if (mListView != null) { |
| ((LinearLayout.LayoutParams) customPanel.getLayoutParams()).weight = 0; |
| } |
| } else { |
| mWindow.findViewById(R.id.customPanel).setVisibility(View.GONE); |
| } |
| |
| /* Only display the divider if we have a title and a |
| * custom view or a message. |
| */ |
| if (hasTitle && ((mMessage != null) || (mView != null))) { |
| View divider = mWindow.findViewById(R.id.titleDivider); |
| divider.setVisibility(View.VISIBLE); |
| } |
| |
| setBackground(topPanel, contentPanel, customPanel, hasButtons, a, hasTitle, buttonPanel); |
| a.recycle(); |
| } |
| |
| private boolean setupTitle(LinearLayout topPanel) { |
| boolean hasTitle = true; |
| |
| if (mCustomTitleView != null) { |
| // Add the custom title view directly to the topPanel layout |
| LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( |
| LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT); |
| |
| topPanel.addView(mCustomTitleView, lp); |
| |
| // Hide the title template |
| View titleTemplate = mWindow.findViewById(R.id.title_template); |
| titleTemplate.setVisibility(View.GONE); |
| } else { |
| final boolean hasTextTitle = !TextUtils.isEmpty(mTitle); |
| |
| mIconView = (ImageView) mWindow.findViewById(R.id.icon); |
| if (hasTextTitle) { |
| |
| /* Display the title if a title is supplied, else hide it */ |
| mTitleView = (TextView) mWindow.findViewById(R.id.alertTitle); |
| |
| mTitleView.setText(mTitle); |
| mIconView.setImageResource(R.drawable.ic_dialog_menu_generic); |
| |
| /* Do this last so that if the user has supplied any |
| * icons we use them instead of the default ones. If the |
| * user has specified 0 then make it disappear. |
| */ |
| if (mIconId > 0) { |
| mIconView.setImageResource(mIconId); |
| } else if (mIcon != null) { |
| mIconView.setImageDrawable(mIcon); |
| } else if (mIconId == 0) { |
| |
| /* Apply the padding from the icon to ensure the |
| * title is aligned correctly. |
| */ |
| mTitleView.setPadding(mIconView.getPaddingLeft(), |
| mIconView.getPaddingTop(), |
| mIconView.getPaddingRight(), |
| mIconView.getPaddingBottom()); |
| mIconView.setVisibility(View.GONE); |
| } |
| } else { |
| |
| // Hide the title template |
| View titleTemplate = mWindow.findViewById(R.id.title_template); |
| titleTemplate.setVisibility(View.GONE); |
| mIconView.setVisibility(View.GONE); |
| hasTitle = false; |
| } |
| } |
| return hasTitle; |
| } |
| |
| private void setupContent(LinearLayout contentPanel) { |
| mScrollView = (ScrollView) mWindow.findViewById(R.id.scrollView); |
| mScrollView.setFocusable(false); |
| |
| // Special case for users that only want to display a String |
| mMessageView = (TextView) mWindow.findViewById(R.id.message); |
| if (mMessageView == null) { |
| return; |
| } |
| |
| if (mMessage != null) { |
| mMessageView.setText(mMessage); |
| } else { |
| mMessageView.setVisibility(View.GONE); |
| mScrollView.removeView(mMessageView); |
| |
| if (mListView != null) { |
| contentPanel.removeView(mWindow.findViewById(R.id.scrollView)); |
| contentPanel.addView(mListView, |
| new LinearLayout.LayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| contentPanel.setLayoutParams(new LinearLayout.LayoutParams(MATCH_PARENT, 0, 1.0f)); |
| } else { |
| contentPanel.setVisibility(View.GONE); |
| } |
| } |
| } |
| |
| private boolean setupButtons() { |
| int BIT_BUTTON_POSITIVE = 1; |
| int BIT_BUTTON_NEGATIVE = 2; |
| int BIT_BUTTON_NEUTRAL = 4; |
| int whichButtons = 0; |
| mButtonPositive = (Button) mWindow.findViewById(R.id.button1); |
| mButtonPositive.setOnClickListener(mButtonHandler); |
| |
| if (TextUtils.isEmpty(mButtonPositiveText)) { |
| mButtonPositive.setVisibility(View.GONE); |
| } else { |
| mButtonPositive.setText(mButtonPositiveText); |
| mButtonPositive.setVisibility(View.VISIBLE); |
| whichButtons = whichButtons | BIT_BUTTON_POSITIVE; |
| } |
| |
| mButtonNegative = (Button) mWindow.findViewById(R.id.button2); |
| mButtonNegative.setOnClickListener(mButtonHandler); |
| |
| if (TextUtils.isEmpty(mButtonNegativeText)) { |
| mButtonNegative.setVisibility(View.GONE); |
| } else { |
| mButtonNegative.setText(mButtonNegativeText); |
| mButtonNegative.setVisibility(View.VISIBLE); |
| |
| whichButtons = whichButtons | BIT_BUTTON_NEGATIVE; |
| } |
| |
| mButtonNeutral = (Button) mWindow.findViewById(R.id.button3); |
| mButtonNeutral.setOnClickListener(mButtonHandler); |
| |
| if (TextUtils.isEmpty(mButtonNeutralText)) { |
| mButtonNeutral.setVisibility(View.GONE); |
| } else { |
| mButtonNeutral.setText(mButtonNeutralText); |
| mButtonNeutral.setVisibility(View.VISIBLE); |
| |
| whichButtons = whichButtons | BIT_BUTTON_NEUTRAL; |
| } |
| |
| /* |
| * If we only have 1 button it should be centered on the layout and |
| * expand to fill 50% of the available space. |
| */ |
| if (whichButtons == BIT_BUTTON_POSITIVE) { |
| centerButton(mButtonPositive); |
| } else if (whichButtons == BIT_BUTTON_NEGATIVE) { |
| centerButton(mButtonNeutral); |
| } else if (whichButtons == BIT_BUTTON_NEUTRAL) { |
| centerButton(mButtonNeutral); |
| } |
| |
| return whichButtons != 0; |
| } |
| |
| private void centerButton(Button button) { |
| LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) button.getLayoutParams(); |
| params.gravity = Gravity.CENTER_HORIZONTAL; |
| params.weight = 0.5f; |
| button.setLayoutParams(params); |
| View leftSpacer = mWindow.findViewById(R.id.leftSpacer); |
| leftSpacer.setVisibility(View.VISIBLE); |
| View rightSpacer = mWindow.findViewById(R.id.rightSpacer); |
| rightSpacer.setVisibility(View.VISIBLE); |
| } |
| |
| private void setBackground(LinearLayout topPanel, LinearLayout contentPanel, |
| View customPanel, boolean hasButtons, TypedArray a, boolean hasTitle, |
| View buttonPanel) { |
| |
| /* Get all the different background required */ |
| int fullDark = a.getResourceId( |
| R.styleable.AlertDialog_fullDark, R.drawable.popup_full_dark); |
| int topDark = a.getResourceId( |
| R.styleable.AlertDialog_topDark, R.drawable.popup_top_dark); |
| int centerDark = a.getResourceId( |
| R.styleable.AlertDialog_centerDark, R.drawable.popup_center_dark); |
| int bottomDark = a.getResourceId( |
| R.styleable.AlertDialog_bottomDark, R.drawable.popup_bottom_dark); |
| int fullBright = a.getResourceId( |
| R.styleable.AlertDialog_fullBright, R.drawable.popup_full_bright); |
| int topBright = a.getResourceId( |
| R.styleable.AlertDialog_topBright, R.drawable.popup_top_bright); |
| int centerBright = a.getResourceId( |
| R.styleable.AlertDialog_centerBright, R.drawable.popup_center_bright); |
| int bottomBright = a.getResourceId( |
| R.styleable.AlertDialog_bottomBright, R.drawable.popup_bottom_bright); |
| int bottomMedium = a.getResourceId( |
| R.styleable.AlertDialog_bottomMedium, R.drawable.popup_bottom_medium); |
| |
| /* |
| * We now set the background of all of the sections of the alert. |
| * First collect together each section that is being displayed along |
| * with whether it is on a light or dark background, then run through |
| * them setting their backgrounds. This is complicated because we need |
| * to correctly use the full, top, middle, and bottom graphics depending |
| * on how many views they are and where they appear. |
| */ |
| |
| View[] views = new View[4]; |
| boolean[] light = new boolean[4]; |
| View lastView = null; |
| boolean lastLight = false; |
| |
| int pos = 0; |
| if (hasTitle) { |
| views[pos] = topPanel; |
| light[pos] = false; |
| pos++; |
| } |
| |
| /* The contentPanel displays either a custom text message or |
| * a ListView. If it's text we should use the dark background |
| * for ListView we should use the light background. If neither |
| * are there the contentPanel will be hidden so set it as null. |
| */ |
| views[pos] = (contentPanel.getVisibility() == View.GONE) |
| ? null : contentPanel; |
| light[pos] = mListView != null; |
| pos++; |
| if (customPanel != null) { |
| views[pos] = customPanel; |
| light[pos] = mForceInverseBackground; |
| pos++; |
| } |
| if (hasButtons) { |
| views[pos] = buttonPanel; |
| light[pos] = true; |
| } |
| |
| boolean setView = false; |
| for (pos=0; pos<views.length; pos++) { |
| View v = views[pos]; |
| if (v == null) { |
| continue; |
| } |
| if (lastView != null) { |
| if (!setView) { |
| lastView.setBackgroundResource(lastLight ? topBright : topDark); |
| } else { |
| lastView.setBackgroundResource(lastLight ? centerBright : centerDark); |
| } |
| setView = true; |
| } |
| lastView = v; |
| lastLight = light[pos]; |
| } |
| |
| if (lastView != null) { |
| if (setView) { |
| |
| /* ListViews will use the Bright background but buttons use |
| * the Medium background. |
| */ |
| lastView.setBackgroundResource( |
| lastLight ? (hasButtons ? bottomMedium : bottomBright) : bottomDark); |
| } else { |
| lastView.setBackgroundResource(lastLight ? fullBright : fullDark); |
| } |
| } |
| |
| /* TODO: uncomment section below. The logic for this should be if |
| * it's a Contextual menu being displayed AND only a Cancel button |
| * is shown then do this. |
| */ |
| // if (hasButtons && (mListView != null)) { |
| |
| /* Yet another *special* case. If there is a ListView with buttons |
| * don't put the buttons on the bottom but instead put them in the |
| * footer of the ListView this will allow more items to be |
| * displayed. |
| */ |
| |
| /* |
| contentPanel.setBackgroundResource(bottomBright); |
| buttonPanel.setBackgroundResource(centerMedium); |
| ViewGroup parent = (ViewGroup) mWindow.findViewById(R.id.parentPanel); |
| parent.removeView(buttonPanel); |
| AbsListView.LayoutParams params = new AbsListView.LayoutParams( |
| AbsListView.LayoutParams.MATCH_PARENT, |
| AbsListView.LayoutParams.MATCH_PARENT); |
| buttonPanel.setLayoutParams(params); |
| mListView.addFooterView(buttonPanel); |
| */ |
| // } |
| |
| if ((mListView != null) && (mAdapter != null)) { |
| mListView.setAdapter(mAdapter); |
| if (mCheckedItem > -1) { |
| mListView.setItemChecked(mCheckedItem, true); |
| mListView.setSelection(mCheckedItem); |
| } |
| } |
| } |
| |
| public static class RecycleListView extends ListView { |
| boolean mRecycleOnMeasure = true; |
| |
| public RecycleListView(Context context) { |
| super(context); |
| } |
| |
| public RecycleListView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public RecycleListView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| } |
| |
| @Override |
| protected boolean recycleOnMeasure() { |
| return mRecycleOnMeasure; |
| } |
| } |
| |
| public static class AlertParams { |
| public final Context mContext; |
| public final LayoutInflater mInflater; |
| |
| public int mIconId = -1; |
| public Drawable mIcon; |
| public CharSequence mTitle; |
| public View mCustomTitleView; |
| public CharSequence mMessage; |
| public CharSequence mPositiveButtonText; |
| public DialogInterface.OnClickListener mPositiveButtonListener; |
| public CharSequence mNegativeButtonText; |
| public DialogInterface.OnClickListener mNegativeButtonListener; |
| public CharSequence mNeutralButtonText; |
| public DialogInterface.OnClickListener mNeutralButtonListener; |
| public boolean mCancelable; |
| public DialogInterface.OnCancelListener mOnCancelListener; |
| public DialogInterface.OnKeyListener mOnKeyListener; |
| public CharSequence[] mItems; |
| public ListAdapter mAdapter; |
| public DialogInterface.OnClickListener mOnClickListener; |
| public View mView; |
| public int mViewSpacingLeft; |
| public int mViewSpacingTop; |
| public int mViewSpacingRight; |
| public int mViewSpacingBottom; |
| public boolean mViewSpacingSpecified = false; |
| public boolean[] mCheckedItems; |
| public boolean mIsMultiChoice; |
| public boolean mIsSingleChoice; |
| public int mCheckedItem = -1; |
| public DialogInterface.OnMultiChoiceClickListener mOnCheckboxClickListener; |
| public Cursor mCursor; |
| public String mLabelColumn; |
| public String mIsCheckedColumn; |
| public boolean mForceInverseBackground; |
| public AdapterView.OnItemSelectedListener mOnItemSelectedListener; |
| public OnPrepareListViewListener mOnPrepareListViewListener; |
| public boolean mRecycleOnMeasure = true; |
| |
| /** |
| * Interface definition for a callback to be invoked before the ListView |
| * will be bound to an adapter. |
| */ |
| public interface OnPrepareListViewListener { |
| |
| /** |
| * Called before the ListView is bound to an adapter. |
| * @param listView The ListView that will be shown in the dialog. |
| */ |
| void onPrepareListView(ListView listView); |
| } |
| |
| public AlertParams(Context context) { |
| mContext = context; |
| mCancelable = true; |
| mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| } |
| |
| public void apply(AlertController dialog) { |
| if (mCustomTitleView != null) { |
| dialog.setCustomTitle(mCustomTitleView); |
| } else { |
| if (mTitle != null) { |
| dialog.setTitle(mTitle); |
| } |
| if (mIcon != null) { |
| dialog.setIcon(mIcon); |
| } |
| if (mIconId >= 0) { |
| dialog.setIcon(mIconId); |
| } |
| } |
| if (mMessage != null) { |
| dialog.setMessage(mMessage); |
| } |
| if (mPositiveButtonText != null) { |
| dialog.setButton(DialogInterface.BUTTON_POSITIVE, mPositiveButtonText, |
| mPositiveButtonListener, null); |
| } |
| if (mNegativeButtonText != null) { |
| dialog.setButton(DialogInterface.BUTTON_NEGATIVE, mNegativeButtonText, |
| mNegativeButtonListener, null); |
| } |
| if (mNeutralButtonText != null) { |
| dialog.setButton(DialogInterface.BUTTON_NEUTRAL, mNeutralButtonText, |
| mNeutralButtonListener, null); |
| } |
| if (mForceInverseBackground) { |
| dialog.setInverseBackgroundForced(true); |
| } |
| // For a list, the client can either supply an array of items or an |
| // adapter or a cursor |
| if ((mItems != null) || (mCursor != null) || (mAdapter != null)) { |
| createListView(dialog); |
| } |
| if (mView != null) { |
| if (mViewSpacingSpecified) { |
| dialog.setView(mView, mViewSpacingLeft, mViewSpacingTop, mViewSpacingRight, |
| mViewSpacingBottom); |
| } else { |
| dialog.setView(mView); |
| } |
| } |
| |
| /* |
| dialog.setCancelable(mCancelable); |
| dialog.setOnCancelListener(mOnCancelListener); |
| if (mOnKeyListener != null) { |
| dialog.setOnKeyListener(mOnKeyListener); |
| } |
| */ |
| } |
| |
| private void createListView(final AlertController dialog) { |
| final RecycleListView listView = (RecycleListView) |
| mInflater.inflate(R.layout.select_dialog, null); |
| ListAdapter adapter; |
| |
| if (mIsMultiChoice) { |
| if (mCursor == null) { |
| adapter = new ArrayAdapter<CharSequence>( |
| mContext, R.layout.select_dialog_multichoice, R.id.text1, mItems) { |
| @Override |
| public View getView(int position, View convertView, ViewGroup parent) { |
| View view = super.getView(position, convertView, parent); |
| if (mCheckedItems != null) { |
| boolean isItemChecked = mCheckedItems[position]; |
| if (isItemChecked) { |
| listView.setItemChecked(position, true); |
| } |
| } |
| return view; |
| } |
| }; |
| } else { |
| adapter = new CursorAdapter(mContext, mCursor, false) { |
| private final int mLabelIndex; |
| private final int mIsCheckedIndex; |
| |
| { |
| final Cursor cursor = getCursor(); |
| mLabelIndex = cursor.getColumnIndexOrThrow(mLabelColumn); |
| mIsCheckedIndex = cursor.getColumnIndexOrThrow(mIsCheckedColumn); |
| } |
| |
| @Override |
| public void bindView(View view, Context context, Cursor cursor) { |
| CheckedTextView text = (CheckedTextView) view.findViewById(R.id.text1); |
| text.setText(cursor.getString(mLabelIndex)); |
| listView.setItemChecked(cursor.getPosition(), |
| cursor.getInt(mIsCheckedIndex) == 1); |
| } |
| |
| @Override |
| public View newView(Context context, Cursor cursor, ViewGroup parent) { |
| return mInflater.inflate(R.layout.select_dialog_multichoice, |
| parent, false); |
| } |
| |
| }; |
| } |
| } else { |
| int layout = mIsSingleChoice |
| ? R.layout.select_dialog_singlechoice : R.layout.select_dialog_item; |
| if (mCursor == null) { |
| adapter = (mAdapter != null) ? mAdapter |
| : new ArrayAdapter<CharSequence>(mContext, layout, R.id.text1, mItems); |
| } else { |
| adapter = new SimpleCursorAdapter(mContext, layout, |
| mCursor, new String[]{mLabelColumn}, new int[]{R.id.text1}); |
| } |
| } |
| |
| if (mOnPrepareListViewListener != null) { |
| mOnPrepareListViewListener.onPrepareListView(listView); |
| } |
| |
| /* Don't directly set the adapter on the ListView as we might |
| * want to add a footer to the ListView later. |
| */ |
| dialog.mAdapter = adapter; |
| dialog.mCheckedItem = mCheckedItem; |
| |
| if (mOnClickListener != null) { |
| listView.setOnItemClickListener(new OnItemClickListener() { |
| public void onItemClick(AdapterView parent, View v, int position, long id) { |
| mOnClickListener.onClick(dialog.mDialogInterface, position); |
| if (!mIsSingleChoice) { |
| dialog.mDialogInterface.dismiss(); |
| } |
| } |
| }); |
| } else if (mOnCheckboxClickListener != null) { |
| listView.setOnItemClickListener(new OnItemClickListener() { |
| public void onItemClick(AdapterView parent, View v, int position, long id) { |
| if (mCheckedItems != null) { |
| mCheckedItems[position] = listView.isItemChecked(position); |
| } |
| mOnCheckboxClickListener.onClick( |
| dialog.mDialogInterface, position, listView.isItemChecked(position)); |
| } |
| }); |
| } |
| |
| // Attach a given OnItemSelectedListener to the ListView |
| if (mOnItemSelectedListener != null) { |
| listView.setOnItemSelectedListener(mOnItemSelectedListener); |
| } |
| |
| if (mIsSingleChoice) { |
| listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); |
| } else if (mIsMultiChoice) { |
| listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); |
| } |
| listView.mRecycleOnMeasure = mRecycleOnMeasure; |
| dialog.mListView = listView; |
| } |
| } |
| |
| } |