import com.cyanogenmod.filemanager.util.MimeTypeHelper;
import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
import java.util.List;
/**
Boolean mHasSelectedBg;
}
- /**
- * A class that holds the full data information.
- */
- private static class DataHolder {
- /**
- * @hide
- */
- public DataHolder() {
- super();
- }
- boolean mSelected;
- Drawable mDwCheck;
- Drawable mDwIcon;
- String mName;
- String mSummary;
- String mSize;
- }
-
- private DataHolder[] mData;
private IconHolder mIconHolder;
private final int mItemViewResourceId;
- private List<FileSystemObject> mSelectedItems;
+ private HashSet<FileSystemObject> mSelectedItems;
private final boolean mPickable;
private OnSelectionChangedListener mOnSelectionChangedListener;
- private boolean mDisposed;
-
//The resource of the item check
private static final int RESOURCE_ITEM_CHECK = R.id.navigation_view_item_check;
//The resource of the item icon
Context context, List<FileSystemObject> files,
int itemViewResourceId, boolean pickable) {
super(context, RESOURCE_ITEM_NAME, files);
- this.mDisposed = false;
this.mItemViewResourceId = itemViewResourceId;
- this.mSelectedItems = new ArrayList<FileSystemObject>();
+ this.mSelectedItems = new HashSet<FileSystemObject>();
this.mPickable = pickable;
notifyThemeChanged(); // Reload icons
-
- processData();
}
/**
}
/**
- * {@inheritDoc}
- */
- @Override
- public void notifyDataSetChanged() {
- if (this.mDisposed) {
- return;
- }
- processData();
- super.notifyDataSetChanged();
- }
-
- /**
* Method that dispose the elements of the adapter.
*/
public void dispose() {
- this.mDisposed = true;
clear();
- this.mData = null;
if (mIconHolder != null) {
mIconHolder.cleanup();
mIconHolder = null;
}
/**
- * Method that process the data before use {@link #getView} method.
- */
- private void processData() {
- Theme theme = ThemeManager.getCurrentTheme(getContext());
- Resources res = getContext().getResources();
- int cc = getCount();
-
- this.mData = new DataHolder[cc];
-
- for (int i = 0; i < cc; i++) {
- //File system object info
- FileSystemObject fso = getItem(i);
-
- //Parse the last modification time and permissions
- StringBuilder sbSummary = new StringBuilder();
- if (fso instanceof ParentDirectory) {
- sbSummary.append(res.getString(R.string.parent_dir));
- } else {
- sbSummary.append(
- FileHelper.formatFileTime(
- getContext(), fso.getLastModifiedTime()));
- sbSummary.append(" "); //$NON-NLS-1$
- sbSummary.append(fso.toRawPermissionString());
- }
-
- //Build the data holder
- this.mData[i] = new FileSystemObjectAdapter.DataHolder();
- this.mData[i].mSelected = this.mSelectedItems.contains(fso);
- if (this.mData[i].mSelected) {
- this.mData[i].mDwCheck =
- theme.getDrawable(
- getContext(), "checkbox_selected_drawable"); //$NON-NLS-1$
- } else {
- this.mData[i].mDwCheck =
- theme.getDrawable(
- getContext(), "checkbox_deselected_drawable"); //$NON-NLS-1$
- }
- this.mData[i].mDwIcon = this.mIconHolder.getDrawable(
- MimeTypeHelper.getIcon(getContext(), fso));
- this.mData[i].mName = fso.getName();
- this.mData[i].mSummary = sbSummary.toString();
- this.mData[i].mSize = FileHelper.getHumanReadableSize(fso);
- }
- }
-
- /**
* {@inheritDoc}
*/
@Override
v.setTag(viewHolder);
}
- //Retrieve data holder
- if (mData == null || this.mData[position] == null) {
- return v;
- }
- final DataHolder dataHolder = this.mData[position];
-
//Retrieve the view holder
ViewHolder viewHolder = (ViewHolder)v.getTag();
if (this.mPickable) {
theme.setBackgroundDrawable(getContext(), v, "background_drawable"); //$NON-NLS-1$
}
- //Set the data
- mIconHolder.loadDrawable(viewHolder.mIvIcon, getItem(position), dataHolder.mDwIcon);
+ FileSystemObject fso = getItem(position);
+
+ Drawable dwIcon = this.mIconHolder.getDrawable(MimeTypeHelper.getIcon(getContext(), fso));
+ mIconHolder.loadDrawable(viewHolder.mIvIcon, fso, dwIcon);
- viewHolder.mTvName.setText(dataHolder.mName);
+ viewHolder.mTvName.setText(fso.getName());
theme.setTextColor(getContext(), viewHolder.mTvName, "text_color"); //$NON-NLS-1$
if (viewHolder.mTvSummary != null) {
- viewHolder.mTvSummary.setText(dataHolder.mSummary);
+ StringBuilder sbSummary = new StringBuilder();
+ if (fso instanceof ParentDirectory) {
+ sbSummary.append(getContext().getResources().getString(R.string.parent_dir));
+ } else {
+ sbSummary.append(
+ FileHelper.formatFileTime(
+ getContext(), fso.getLastModifiedTime()));
+ sbSummary.append(" "); //$NON-NLS-1$
+ sbSummary.append(fso.toRawPermissionString());
+ }
+ viewHolder.mTvSummary.setText(sbSummary);
theme.setTextColor(getContext(), viewHolder.mTvSummary, "text_color"); //$NON-NLS-1$
}
if (viewHolder.mTvSize != null) {
- viewHolder.mTvSize.setText(dataHolder.mSize);
+ viewHolder.mTvSize.setText(FileHelper.getHumanReadableSize(fso));
theme.setTextColor(getContext(), viewHolder.mTvSize, "text_color"); //$NON-NLS-1$
}
if (!this.mPickable) {
viewHolder.mBtCheck.setVisibility(
- TextUtils.equals(dataHolder.mName, FileHelper.PARENT_DIRECTORY) ?
+ TextUtils.equals(fso.getName(), FileHelper.PARENT_DIRECTORY) ?
View.INVISIBLE : View.VISIBLE);
- viewHolder.mBtCheck.setImageDrawable(dataHolder.mDwCheck);
- viewHolder.mBtCheck.setTag(Integer.valueOf(position));
+ boolean selected = mSelectedItems.contains(fso);
+ Drawable dwCheck;
+ if (selected) {
+ dwCheck = theme.getDrawable(getContext(), "checkbox_selected_drawable"); //$NON-NLS-1$
+ } else {
+ dwCheck = theme.getDrawable(getContext(), "checkbox_deselected_drawable"); //$NON-NLS-1$
+ }
+ viewHolder.mBtCheck.setImageDrawable(dwCheck);
+ viewHolder.mBtCheck.setTag(position);
if (viewHolder.mHasSelectedBg == null
- || viewHolder.mHasSelectedBg != dataHolder.mSelected) {
- String drawableId = dataHolder.mSelected
+ || viewHolder.mHasSelectedBg != selected) {
+ String drawableId = selected
? "selectors_selected_drawable" //$NON-NLS-1$
: "selectors_deselected_drawable"; //$NON-NLS-1$
theme.setBackgroundDrawable(getContext(), v, drawableId);
- viewHolder.mHasSelectedBg = dataHolder.mSelected;
+ viewHolder.mHasSelectedBg = selected;
}
}
* @return boolean If the item of the passed position is selected
*/
public boolean isSelected(int position) {
- return this.mData[position].mSelected;
+ return mSelectedItems.contains(getItem(position));
}
/**
* @param fso The file system object to select
*/
private void toggleSelection(View v, FileSystemObject fso) {
- if (this.mData != null) {
- Theme theme = ThemeManager.getCurrentTheme(getContext());
- int cc = this.mData.length;
- for (int i = 0; i < cc; i++) {
- DataHolder data = this.mData[i];
- if (data.mName.compareTo(fso.getName()) == 0) {
- //Select/Deselect the item
- data.mSelected = !data.mSelected;
- if (v != null) {
- ((View)v.getParent()).setSelected(data.mSelected);
- }
- if (data.mSelected) {
- data.mDwCheck =
- theme.getDrawable(
- getContext(), "checkbox_selected_drawable"); //$NON-NLS-1$
- } else {
- data.mDwCheck =
- theme.getDrawable(
- getContext(),
- "checkbox_deselected_drawable"); //$NON-NLS-1$
- }
-
- //Add or remove from the global selected items
- final List<FileSystemObject> selectedItems =
- FileSystemObjectAdapter.this.mSelectedItems;
- if (data.mSelected) {
- if (!selectedItems.contains(fso)) {
- selectedItems.add(fso);
- }
- } else {
- if (selectedItems.contains(fso)) {
- selectedItems.remove(fso);
- }
- }
-
- //Communicate event
- if (this.mOnSelectionChangedListener != null) {
- List<FileSystemObject> selection =
- new ArrayList<FileSystemObject>(selectedItems);
- this.mOnSelectionChangedListener.onSelectionChanged(selection);
- }
-
- // The internal structure was update, only super adapter need to be notified
- super.notifyDataSetChanged();
-
- //Found
- return;
- }
- }
+ Theme theme = ThemeManager.getCurrentTheme(getContext());
+
+ boolean selected = !mSelectedItems.remove(fso);
+ if (selected) {
+ mSelectedItems.add(fso);
+ }
+ if (v != null) {
+ ((View)v.getParent()).setSelected(selected);
+ }
+
+ //Communicate event
+ if (this.mOnSelectionChangedListener != null) {
+ this.mOnSelectionChangedListener.onSelectionChanged(
+ new ArrayList<FileSystemObject>(mSelectedItems));
}
+
+ notifyDataSetChanged();
}
/**
* @param select Indicates if select (true) or deselect (false) all items.
*/
private void doSelectDeselectAllVisibleItems(boolean select) {
- if (this.mData != null && this.mData.length > 0) {
- Theme theme = ThemeManager.getCurrentTheme(getContext());
- int cc = this.mData.length;
- for (int i = 0; i < cc; i++) {
- DataHolder data = this.mData[i];
- if (data.mName.compareTo(FileHelper.PARENT_DIRECTORY) == 0) {
- // No select the parent directory
- continue;
- }
- data.mSelected = select;
- if (data.mSelected) {
- data.mDwCheck =
- theme.getDrawable(
- getContext(), "checkbox_selected_drawable"); //$NON-NLS-1$
- } else {
- data.mDwCheck =
- theme.getDrawable(
- getContext(), "checkbox_deselected_drawable"); //$NON-NLS-1$
- }
-
- //Add or remove from the global selected items
- FileSystemObject fso = getItem(i);
- final List<FileSystemObject> selectedItems =
- FileSystemObjectAdapter.this.mSelectedItems;
- if (data.mSelected) {
- if (!selectedItems.contains(fso)) {
- selectedItems.add(fso);
- }
- } else {
- if (selectedItems.contains(fso)) {
- selectedItems.remove(fso);
- }
- }
+ int cc = getCount();
+ for (int i = 0; i < cc; i++) {
+ FileSystemObject fso = getItem(i);
+ if (fso.getName().compareTo(FileHelper.PARENT_DIRECTORY) == 0) {
+ // No select the parent directory
+ continue;
}
-
- //Communicate event
- if (this.mOnSelectionChangedListener != null) {
- List<FileSystemObject> selection =
- new ArrayList<FileSystemObject>(
- FileSystemObjectAdapter.this.mSelectedItems);
- this.mOnSelectionChangedListener.onSelectionChanged(selection);
+ if (select) {
+ mSelectedItems.add(fso);
+ } else {
+ mSelectedItems.remove(fso);
}
+ }
- // The internal structure was update, only super adapter need to be notified
- super.notifyDataSetChanged();
+ //Communicate event
+ if (this.mOnSelectionChangedListener != null) {
+ this.mOnSelectionChangedListener.onSelectionChanged(
+ new ArrayList<FileSystemObject>(mSelectedItems));
}
+
+ notifyDataSetChanged();
}
/**
* @param selectedItems The selected items
*/
public void setSelectedItems(List<FileSystemObject> selectedItems) {
- this.mSelectedItems = selectedItems;
+ mSelectedItems.clear();
+ mSelectedItems.addAll(selectedItems);
+ notifyDataSetChanged();
}
/**
OSDN Git Service
