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diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/widget/IcsSpinner.java b/actionbarsherlock/src/com/actionbarsherlock/internal/widget/IcsSpinner.java
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--- a/actionbarsherlock/src/com/actionbarsherlock/internal/widget/IcsSpinner.java
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-/*
- * Copyright (C) 2007 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.actionbarsherlock.internal.widget;
-
-import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
-import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
-import com.actionbarsherlock.R;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.DialogInterface.OnClickListener;
-import android.content.res.TypedArray;
-import android.database.DataSetObserver;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemClickListener;
-import android.widget.ListAdapter;
-import android.widget.ListView;
-import android.widget.PopupWindow;
-import android.widget.SpinnerAdapter;
-
-
-/**
- * A view that displays one child at a time and lets the user pick among them.
- * The items in the Spinner come from the {@link Adapter} associated with
- * this view.
- *
- * <p>See the <a href="{@docRoot}resources/tutorials/views/hello-spinner.html">Spinner
- * tutorial</a>.</p>
- *
- * @attr ref android.R.styleable#Spinner_prompt
- */
-public class IcsSpinner extends IcsAbsSpinner implements OnClickListener {
- //private static final String TAG = "Spinner";
-
- // Only measure this many items to get a decent max width.
- private static final int MAX_ITEMS_MEASURED = 15;
-
- /**
- * Use a dialog window for selecting spinner options.
- */
- //public static final int MODE_DIALOG = 0;
-
- /**
- * Use a dropdown anchored to the Spinner for selecting spinner options.
- */
- public static final int MODE_DROPDOWN = 1;
-
- /**
- * Use the theme-supplied value to select the dropdown mode.
- */
- //private static final int MODE_THEME = -1;
-
- private SpinnerPopup mPopup;
- private DropDownAdapter mTempAdapter;
- int mDropDownWidth;
-
- private int mGravity;
- private boolean mDisableChildrenWhenDisabled;
-
- private Rect mTempRect = new Rect();
-
- public IcsSpinner(Context context, AttributeSet attrs) {
- this(context, attrs, R.attr.actionDropDownStyle);
- }
-
- /**
- * Construct a new spinner with the given context's theme, the supplied attribute set,
- * and default style.
- *
- * @param context The Context the view is running in, through which it can
- * access the current theme, resources, etc.
- * @param attrs The attributes of the XML tag that is inflating the view.
- * @param defStyle The default style to apply to this view. If 0, no style
- * will be applied (beyond what is included in the theme). This may
- * either be an attribute resource, whose value will be retrieved
- * from the current theme, or an explicit style resource.
- */
- public IcsSpinner(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
-
- TypedArray a = context.obtainStyledAttributes(attrs,
- R.styleable.SherlockSpinner, defStyle, 0);
-
-
- DropdownPopup popup = new DropdownPopup(context, attrs, defStyle);
-
- mDropDownWidth = a.getLayoutDimension(
- R.styleable.SherlockSpinner_android_dropDownWidth,
- ViewGroup.LayoutParams.WRAP_CONTENT);
- popup.setBackgroundDrawable(a.getDrawable(
- R.styleable.SherlockSpinner_android_popupBackground));
- final int verticalOffset = a.getDimensionPixelOffset(
- R.styleable.SherlockSpinner_android_dropDownVerticalOffset, 0);
- if (verticalOffset != 0) {
- popup.setVerticalOffset(verticalOffset);
- }
-
- final int horizontalOffset = a.getDimensionPixelOffset(
- R.styleable.SherlockSpinner_android_dropDownHorizontalOffset, 0);
- if (horizontalOffset != 0) {
- popup.setHorizontalOffset(horizontalOffset);
- }
-
- mPopup = popup;
-
- mGravity = a.getInt(R.styleable.SherlockSpinner_android_gravity, Gravity.CENTER);
-
- mPopup.setPromptText(a.getString(R.styleable.SherlockSpinner_android_prompt));
-
- mDisableChildrenWhenDisabled = true;
-
- a.recycle();
-
- // Base constructor can call setAdapter before we initialize mPopup.
- // Finish setting things up if this happened.
- if (mTempAdapter != null) {
- mPopup.setAdapter(mTempAdapter);
- mTempAdapter = null;
- }
- }
-
- @Override
- public void setEnabled(boolean enabled) {
- super.setEnabled(enabled);
- if (mDisableChildrenWhenDisabled) {
- final int count = getChildCount();
- for (int i = 0; i < count; i++) {
- getChildAt(i).setEnabled(enabled);
- }
- }
- }
-
- /**
- * Describes how the selected item view is positioned. Currently only the horizontal component
- * is used. The default is determined by the current theme.
- *
- * @param gravity See {@link android.view.Gravity}
- *
- * @attr ref android.R.styleable#Spinner_gravity
- */
- public void setGravity(int gravity) {
- if (mGravity != gravity) {
- if ((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) == 0) {
- gravity |= Gravity.LEFT;
- }
- mGravity = gravity;
- requestLayout();
- }
- }
-
- @Override
- public void setAdapter(SpinnerAdapter adapter) {
- super.setAdapter(adapter);
-
- if (mPopup != null) {
- mPopup.setAdapter(new DropDownAdapter(adapter));
- } else {
- mTempAdapter = new DropDownAdapter(adapter);
- }
- }
-
- @Override
- public int getBaseline() {
- View child = null;
-
- if (getChildCount() > 0) {
- child = getChildAt(0);
- } else if (mAdapter != null && mAdapter.getCount() > 0) {
- child = makeAndAddView(0);
- mRecycler.put(0, child);
- removeAllViewsInLayout();
- }
-
- if (child != null) {
- final int childBaseline = child.getBaseline();
- return childBaseline >= 0 ? child.getTop() + childBaseline : -1;
- } else {
- return -1;
- }
- }
-
- @Override
- protected void onDetachedFromWindow() {
- super.onDetachedFromWindow();
-
- if (mPopup != null && mPopup.isShowing()) {
- mPopup.dismiss();
- }
- }
-
- /**
- * <p>A spinner does not support item click events. Calling this method
- * will raise an exception.</p>
- *
- * @param l this listener will be ignored
- */
- @Override
- public void setOnItemClickListener(OnItemClickListener l) {
- throw new RuntimeException("setOnItemClickListener cannot be used with a spinner.");
- }
-
- @Override
- protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- super.onMeasure(widthMeasureSpec, heightMeasureSpec);
- if (mPopup != null && MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.AT_MOST) {
- final int measuredWidth = getMeasuredWidth();
- setMeasuredDimension(Math.min(Math.max(measuredWidth,
- measureContentWidth(getAdapter(), getBackground())),
- MeasureSpec.getSize(widthMeasureSpec)),
- getMeasuredHeight());
- }
- }
-
- /**
- * @see android.view.View#onLayout(boolean,int,int,int,int)
- *
- * Creates and positions all views
- *
- */
- @Override
- protected void onLayout(boolean changed, int l, int t, int r, int b) {
- super.onLayout(changed, l, t, r, b);
- mInLayout = true;
- layout(0, false);
- mInLayout = false;
- }
-
- /**
- * Creates and positions all views for this Spinner.
- *
- * @param delta Change in the selected position. +1 moves selection is moving to the right,
- * so views are scrolling to the left. -1 means selection is moving to the left.
- */
- @Override
- void layout(int delta, boolean animate) {
- int childrenLeft = mSpinnerPadding.left;
- int childrenWidth = getRight() - getLeft() - mSpinnerPadding.left - mSpinnerPadding.right;
-
- if (mDataChanged) {
- handleDataChanged();
- }
-
- // Handle the empty set by removing all views
- if (mItemCount == 0) {
- resetList();
- return;
- }
-
- if (mNextSelectedPosition >= 0) {
- setSelectedPositionInt(mNextSelectedPosition);
- }
-
- recycleAllViews();
-
- // Clear out old views
- removeAllViewsInLayout();
-
- // Make selected view and position it
- mFirstPosition = mSelectedPosition;
- View sel = makeAndAddView(mSelectedPosition);
- int width = sel.getMeasuredWidth();
- int selectedOffset = childrenLeft;
- switch (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
- case Gravity.CENTER_HORIZONTAL:
- selectedOffset = childrenLeft + (childrenWidth / 2) - (width / 2);
- break;
- case Gravity.RIGHT:
- selectedOffset = childrenLeft + childrenWidth - width;
- break;
- }
- sel.offsetLeftAndRight(selectedOffset);
-
- // Flush any cached views that did not get reused above
- mRecycler.clear();
-
- invalidate();
-
- checkSelectionChanged();
-
- mDataChanged = false;
- mNeedSync = false;
- setNextSelectedPositionInt(mSelectedPosition);
- }
-
- /**
- * Obtain a view, either by pulling an existing view from the recycler or
- * by getting a new one from the adapter. If we are animating, make sure
- * there is enough information in the view's layout parameters to animate
- * from the old to new positions.
- *
- * @param position Position in the spinner for the view to obtain
- * @return A view that has been added to the spinner
- */
- private View makeAndAddView(int position) {
-
- View child;
-
- if (!mDataChanged) {
- child = mRecycler.get(position);
- if (child != null) {
- // Position the view
- setUpChild(child);
-
- return child;
- }
- }
-
- // Nothing found in the recycler -- ask the adapter for a view
- child = mAdapter.getView(position, null, this);
-
- // Position the view
- setUpChild(child);
-
- return child;
- }
-
- /**
- * Helper for makeAndAddView to set the position of a view
- * and fill out its layout paramters.
- *
- * @param child The view to position
- */
- private void setUpChild(View child) {
-
- // Respect layout params that are already in the view. Otherwise
- // make some up...
- ViewGroup.LayoutParams lp = child.getLayoutParams();
- if (lp == null) {
- lp = generateDefaultLayoutParams();
- }
-
- addViewInLayout(child, 0, lp);
-
- child.setSelected(hasFocus());
- if (mDisableChildrenWhenDisabled) {
- child.setEnabled(isEnabled());
- }
-
- // Get measure specs
- int childHeightSpec = ViewGroup.getChildMeasureSpec(mHeightMeasureSpec,
- mSpinnerPadding.top + mSpinnerPadding.bottom, lp.height);
- int childWidthSpec = ViewGroup.getChildMeasureSpec(mWidthMeasureSpec,
- mSpinnerPadding.left + mSpinnerPadding.right, lp.width);
-
- // Measure child
- child.measure(childWidthSpec, childHeightSpec);
-
- int childLeft;
- int childRight;
-
- // Position vertically based on gravity setting
- int childTop = mSpinnerPadding.top
- + ((getMeasuredHeight() - mSpinnerPadding.bottom -
- mSpinnerPadding.top - child.getMeasuredHeight()) / 2);
- int childBottom = childTop + child.getMeasuredHeight();
-
- int width = child.getMeasuredWidth();
- childLeft = 0;
- childRight = childLeft + width;
-
- child.layout(childLeft, childTop, childRight, childBottom);
- }
-
- @Override
- public boolean performClick() {
- boolean handled = super.performClick();
-
- if (!handled) {
- handled = true;
-
- if (!mPopup.isShowing()) {
- mPopup.show();
- }
- }
-
- return handled;
- }
-
- public void onClick(DialogInterface dialog, int which) {
- setSelection(which);
- dialog.dismiss();
- }
-
- /**
- * Sets the prompt to display when the dialog is shown.
- * @param prompt the prompt to set
- */
- public void setPrompt(CharSequence prompt) {
- mPopup.setPromptText(prompt);
- }
-
- /**
- * Sets the prompt to display when the dialog is shown.
- * @param promptId the resource ID of the prompt to display when the dialog is shown
- */
- public void setPromptId(int promptId) {
- setPrompt(getContext().getText(promptId));
- }
-
- /**
- * @return The prompt to display when the dialog is shown
- */
- public CharSequence getPrompt() {
- return mPopup.getHintText();
- }
-
- int measureContentWidth(SpinnerAdapter adapter, Drawable background) {
- if (adapter == null) {
- return 0;
- }
-
- int width = 0;
- View itemView = null;
- int itemType = 0;
- final int widthMeasureSpec =
- MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
- final int heightMeasureSpec =
- MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
-
- // Make sure the number of items we'll measure is capped. If it's a huge data set
- // with wildly varying sizes, oh well.
- int start = Math.max(0, getSelectedItemPosition());
- final int end = Math.min(adapter.getCount(), start + MAX_ITEMS_MEASURED);
- final int count = end - start;
- start = Math.max(0, start - (MAX_ITEMS_MEASURED - count));
- for (int i = start; i < end; i++) {
- final int positionType = adapter.getItemViewType(i);
- if (positionType != itemType) {
- itemType = positionType;
- itemView = null;
- }
- itemView = adapter.getView(i, itemView, this);
- if (itemView.getLayoutParams() == null) {
- itemView.setLayoutParams(new ViewGroup.LayoutParams(
- ViewGroup.LayoutParams.WRAP_CONTENT,
- ViewGroup.LayoutParams.WRAP_CONTENT));
- }
- itemView.measure(widthMeasureSpec, heightMeasureSpec);
- width = Math.max(width, itemView.getMeasuredWidth());
- }
-
- // Add background padding to measured width
- if (background != null) {
- background.getPadding(mTempRect);
- width += mTempRect.left + mTempRect.right;
- }
-
- return width;
- }
-
- /**
- * <p>Wrapper class for an Adapter. Transforms the embedded Adapter instance
- * into a ListAdapter.</p>
- */
- private static class DropDownAdapter implements ListAdapter, SpinnerAdapter {
- private SpinnerAdapter mAdapter;
- private ListAdapter mListAdapter;
-
- /**
- * <p>Creates a new ListAdapter wrapper for the specified adapter.</p>
- *
- * @param adapter the Adapter to transform into a ListAdapter
- */
- public DropDownAdapter(SpinnerAdapter adapter) {
- this.mAdapter = adapter;
- if (adapter instanceof ListAdapter) {
- this.mListAdapter = (ListAdapter) adapter;
- }
- }
-
- public int getCount() {
- return mAdapter == null ? 0 : mAdapter.getCount();
- }
-
- public Object getItem(int position) {
- return mAdapter == null ? null : mAdapter.getItem(position);
- }
-
- public long getItemId(int position) {
- return mAdapter == null ? -1 : mAdapter.getItemId(position);
- }
-
- public View getView(int position, View convertView, ViewGroup parent) {
- return getDropDownView(position, convertView, parent);
- }
-
- public View getDropDownView(int position, View convertView, ViewGroup parent) {
- return mAdapter == null ? null :
- mAdapter.getDropDownView(position, convertView, parent);
- }
-
- public boolean hasStableIds() {
- return mAdapter != null && mAdapter.hasStableIds();
- }
-
- public void registerDataSetObserver(DataSetObserver observer) {
- if (mAdapter != null) {
- mAdapter.registerDataSetObserver(observer);
- }
- }
-
- public void unregisterDataSetObserver(DataSetObserver observer) {
- if (mAdapter != null) {
- mAdapter.unregisterDataSetObserver(observer);
- }
- }
-
- /**
- * If the wrapped SpinnerAdapter is also a ListAdapter, delegate this call.
- * Otherwise, return true.
- */
- public boolean areAllItemsEnabled() {
- final ListAdapter adapter = mListAdapter;
- if (adapter != null) {
- return adapter.areAllItemsEnabled();
- } else {
- return true;
- }
- }
-
- /**
- * If the wrapped SpinnerAdapter is also a ListAdapter, delegate this call.
- * Otherwise, return true.
- */
- public boolean isEnabled(int position) {
- final ListAdapter adapter = mListAdapter;
- if (adapter != null) {
- return adapter.isEnabled(position);
- } else {
- return true;
- }
- }
-
- public int getItemViewType(int position) {
- return 0;
- }
-
- public int getViewTypeCount() {
- return 1;
- }
-
- public boolean isEmpty() {
- return getCount() == 0;
- }
- }
-
- /**
- * Implements some sort of popup selection interface for selecting a spinner option.
- * Allows for different spinner modes.
- */
- private interface SpinnerPopup {
- public void setAdapter(ListAdapter adapter);
-
- /**
- * Show the popup
- */
- public void show();
-
- /**
- * Dismiss the popup
- */
- public void dismiss();
-
- /**
- * @return true if the popup is showing, false otherwise.
- */
- public boolean isShowing();
-
- /**
- * Set hint text to be displayed to the user. This should provide
- * a description of the choice being made.
- * @param hintText Hint text to set.
- */
- public void setPromptText(CharSequence hintText);
- public CharSequence getHintText();
- }
-
- /*
- private class DialogPopup implements SpinnerPopup, DialogInterface.OnClickListener {
- private AlertDialog mPopup;
- private ListAdapter mListAdapter;
- private CharSequence mPrompt;
-
- public void dismiss() {
- mPopup.dismiss();
- mPopup = null;
- }
-
- public boolean isShowing() {
- return mPopup != null ? mPopup.isShowing() : false;
- }
-
- public void setAdapter(ListAdapter adapter) {
- mListAdapter = adapter;
- }
-
- public void setPromptText(CharSequence hintText) {
- mPrompt = hintText;
- }
-
- public CharSequence getHintText() {
- return mPrompt;
- }
-
- public void show() {
- AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
- if (mPrompt != null) {
- builder.setTitle(mPrompt);
- }
- mPopup = builder.setSingleChoiceItems(mListAdapter,
- getSelectedItemPosition(), this).show();
- }
-
- public void onClick(DialogInterface dialog, int which) {
- setSelection(which);
- dismiss();
- }
- }
- */
-
- private class DropdownPopup extends IcsListPopupWindow implements SpinnerPopup {
- private CharSequence mHintText;
- private ListAdapter mAdapter;
-
- public DropdownPopup(Context context, AttributeSet attrs, int defStyleRes) {
- super(context, attrs, 0, defStyleRes);
-
- setAnchorView(IcsSpinner.this);
- setModal(true);
- setPromptPosition(POSITION_PROMPT_ABOVE);
- setOnItemClickListener(new OnItemClickListener() {
- @SuppressWarnings("rawtypes")
- public void onItemClick(AdapterView parent, View v, int position, long id) {
- IcsSpinner.this.setSelection(position);
- dismiss();
- }
- });
- }
-
- @Override
- public void setAdapter(ListAdapter adapter) {
- super.setAdapter(adapter);
- mAdapter = adapter;
- }
-
- public CharSequence getHintText() {
- return mHintText;
- }
-
- public void setPromptText(CharSequence hintText) {
- // Hint text is ignored for dropdowns, but maintain it here.
- mHintText = hintText;
- }
-
- @Override
- public void show() {
- final int spinnerPaddingLeft = IcsSpinner.this.getPaddingLeft();
- if (mDropDownWidth == WRAP_CONTENT) {
- final int spinnerWidth = IcsSpinner.this.getWidth();
- final int spinnerPaddingRight = IcsSpinner.this.getPaddingRight();
- setContentWidth(Math.max(
- measureContentWidth((SpinnerAdapter) mAdapter, getBackground()),
- spinnerWidth - spinnerPaddingLeft - spinnerPaddingRight));
- } else if (mDropDownWidth == MATCH_PARENT) {
- final int spinnerWidth = IcsSpinner.this.getWidth();
- final int spinnerPaddingRight = IcsSpinner.this.getPaddingRight();
- setContentWidth(spinnerWidth - spinnerPaddingLeft - spinnerPaddingRight);
- } else {
- setContentWidth(mDropDownWidth);
- }
- final Drawable background = getBackground();
- int bgOffset = 0;
- if (background != null) {
- background.getPadding(mTempRect);
- bgOffset = -mTempRect.left;
- }
- setHorizontalOffset(bgOffset + spinnerPaddingLeft);
- setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED);
- super.show();
- getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
- setSelection(IcsSpinner.this.getSelectedItemPosition());
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 17:15:33 +0000