Made progress with the folder feature.
This commit is contained in:
Karim Abou Zeid
parent
56d3a2dbce
commit
1e6ac6a227
38 changed files with 1423 additions and 148 deletions
|
|
@ -0,0 +1,407 @@
|
|||
package com.kabouzeid.gramophone.views;
|
||||
|
||||
import android.content.Context;
|
||||
import android.graphics.PorterDuff;
|
||||
import android.os.Build;
|
||||
import android.os.Parcel;
|
||||
import android.os.Parcelable;
|
||||
import android.support.annotation.ColorInt;
|
||||
import android.support.annotation.NonNull;
|
||||
import android.util.AttributeSet;
|
||||
import android.view.LayoutInflater;
|
||||
import android.view.View;
|
||||
import android.view.ViewGroup;
|
||||
import android.widget.HorizontalScrollView;
|
||||
import android.widget.ImageView;
|
||||
import android.widget.LinearLayout;
|
||||
import android.widget.TextView;
|
||||
|
||||
import com.kabouzeid.appthemehelper.ThemeStore;
|
||||
import com.kabouzeid.gramophone.R;
|
||||
|
||||
import java.io.File;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* @author Aidan Follestad (afollestad), modified for Phonograph by Karim Abou Zeid (kabouzeid)
|
||||
*/
|
||||
public class BreadCrumbLayout extends HorizontalScrollView implements View.OnClickListener {
|
||||
|
||||
@ColorInt
|
||||
private int contentColorActivated;
|
||||
@ColorInt
|
||||
private int contentColorDeactivated;
|
||||
|
||||
public static class Crumb implements Parcelable {
|
||||
|
||||
public Crumb(File file) {
|
||||
mFile = file;
|
||||
}
|
||||
|
||||
private final File mFile;
|
||||
private int mScrollPos;
|
||||
|
||||
public int getScrollPosition() {
|
||||
return mScrollPos;
|
||||
}
|
||||
|
||||
public void setScrollPosition(int scrollY) {
|
||||
this.mScrollPos = scrollY;
|
||||
}
|
||||
|
||||
public String getTitle() {
|
||||
return mFile.getPath().equals("/") ? "root" : mFile.getName();
|
||||
}
|
||||
|
||||
public File getFile() {
|
||||
return mFile;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object o) {
|
||||
return (o instanceof Crumb) && ((Crumb) o).getFile() != null &&
|
||||
((Crumb) o).getFile().equals(getFile());
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public int describeContents() {
|
||||
return 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeToParcel(Parcel dest, int flags) {
|
||||
dest.writeSerializable(this.mFile);
|
||||
dest.writeInt(this.mScrollPos);
|
||||
}
|
||||
|
||||
protected Crumb(Parcel in) {
|
||||
this.mFile = (File) in.readSerializable();
|
||||
this.mScrollPos = in.readInt();
|
||||
}
|
||||
|
||||
public static final Creator<Crumb> CREATOR = new Creator<Crumb>() {
|
||||
public Crumb createFromParcel(Parcel source) {
|
||||
return new Crumb(source);
|
||||
}
|
||||
|
||||
public Crumb[] newArray(int size) {
|
||||
return new Crumb[size];
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
public interface SelectionCallback {
|
||||
void onCrumbSelection(Crumb crumb, int index);
|
||||
}
|
||||
|
||||
public BreadCrumbLayout(Context context) {
|
||||
super(context);
|
||||
init();
|
||||
}
|
||||
|
||||
public BreadCrumbLayout(Context context, AttributeSet attrs) {
|
||||
super(context, attrs);
|
||||
init();
|
||||
}
|
||||
|
||||
public BreadCrumbLayout(Context context, AttributeSet attrs, int defStyleAttr) {
|
||||
super(context, attrs, defStyleAttr);
|
||||
init();
|
||||
}
|
||||
|
||||
// Stores currently visible crumbs
|
||||
private List<Crumb> mCrumbs;
|
||||
// Used in setActiveOrAdd() between clearing crumbs and adding the new set, nullified afterwards
|
||||
private List<Crumb> mOldCrumbs;
|
||||
// Stores user's navigation history, like a fragment back stack
|
||||
private List<Crumb> mHistory;
|
||||
|
||||
private LinearLayout mChildFrame;
|
||||
private int mActive;
|
||||
private SelectionCallback mCallback;
|
||||
|
||||
private void init() {
|
||||
contentColorActivated = ThemeStore.textColorPrimary(getContext());
|
||||
contentColorDeactivated = ThemeStore.textColorSecondary(getContext());
|
||||
setMinimumHeight((int) getResources().getDimension(R.dimen.tab_height));
|
||||
setClipToPadding(false);
|
||||
setHorizontalScrollBarEnabled(false);
|
||||
mCrumbs = new ArrayList<>();
|
||||
mHistory = new ArrayList<>();
|
||||
mChildFrame = new LinearLayout(getContext());
|
||||
addView(mChildFrame, new ViewGroup.LayoutParams(
|
||||
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT));
|
||||
}
|
||||
|
||||
public void addHistory(Crumb crumb) {
|
||||
mHistory.add(crumb);
|
||||
}
|
||||
|
||||
public Crumb lastHistory() {
|
||||
if (mHistory.size() == 0) return null;
|
||||
return mHistory.get(mHistory.size() - 1);
|
||||
}
|
||||
|
||||
public boolean popHistory() {
|
||||
if (mHistory.size() == 0) return false;
|
||||
mHistory.remove(mHistory.size() - 1);
|
||||
return mHistory.size() != 0;
|
||||
}
|
||||
|
||||
public int historySize() {
|
||||
return mHistory.size();
|
||||
}
|
||||
|
||||
public void clearHistory() {
|
||||
mHistory.clear();
|
||||
}
|
||||
|
||||
public void reverseHistory() {
|
||||
Collections.reverse(mHistory);
|
||||
}
|
||||
|
||||
public void addCrumb(@NonNull Crumb crumb, boolean refreshLayout) {
|
||||
LinearLayout view = (LinearLayout) LayoutInflater.from(getContext()).inflate(R.layout.bread_crumb, this, false);
|
||||
view.setTag(mCrumbs.size());
|
||||
view.setOnClickListener(this);
|
||||
|
||||
ImageView iv = (ImageView) view.getChildAt(1);
|
||||
if (Build.VERSION.SDK_INT >= 19 && iv.getDrawable() != null) {
|
||||
iv.getDrawable().setAutoMirrored(true);
|
||||
}
|
||||
iv.setVisibility(View.GONE);
|
||||
|
||||
mChildFrame.addView(view, new ViewGroup.LayoutParams(
|
||||
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
|
||||
mCrumbs.add(crumb);
|
||||
if (refreshLayout) {
|
||||
mActive = mCrumbs.size() - 1;
|
||||
requestLayout();
|
||||
}
|
||||
invalidateActivatedAll();
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onLayout(boolean changed, int l, int t, int r, int b) {
|
||||
super.onLayout(changed, l, t, r, b);
|
||||
//RTL works fine like this
|
||||
View child = mChildFrame.getChildAt(mActive);
|
||||
if (child != null)
|
||||
smoothScrollTo(child.getLeft(), 0);
|
||||
}
|
||||
|
||||
public Crumb findCrumb(@NonNull File forDir) {
|
||||
for (int i = 0; i < mCrumbs.size(); i++) {
|
||||
if (mCrumbs.get(i).getFile().equals(forDir))
|
||||
return mCrumbs.get(i);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public void clearCrumbs() {
|
||||
try {
|
||||
mOldCrumbs = new ArrayList<>(mCrumbs);
|
||||
mCrumbs.clear();
|
||||
mChildFrame.removeAllViews();
|
||||
} catch (IllegalStateException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
public Crumb getCrumb(int index) {
|
||||
return mCrumbs.get(index);
|
||||
}
|
||||
|
||||
public void setCallback(SelectionCallback callback) {
|
||||
mCallback = callback;
|
||||
}
|
||||
|
||||
private boolean setActive(Crumb newActive) {
|
||||
mActive = mCrumbs.indexOf(newActive);
|
||||
invalidateActivatedAll();
|
||||
boolean success = mActive > -1;
|
||||
if (success)
|
||||
requestLayout();
|
||||
return success;
|
||||
}
|
||||
|
||||
void invalidateActivatedAll() {
|
||||
for (int i = 0; i < mCrumbs.size(); i++) {
|
||||
Crumb crumb = mCrumbs.get(i);
|
||||
invalidateActivated(mChildFrame.getChildAt(i), mActive == mCrumbs.indexOf(crumb), false, i < mCrumbs.size() - 1).setText(crumb.getTitle());
|
||||
}
|
||||
}
|
||||
|
||||
void removeCrumbAt(int index) {
|
||||
mCrumbs.remove(index);
|
||||
mChildFrame.removeViewAt(index);
|
||||
}
|
||||
|
||||
public boolean trim(String path, boolean dir) {
|
||||
if (!dir) return false;
|
||||
int index = -1;
|
||||
for (int i = mCrumbs.size() - 1; i >= 0; i--) {
|
||||
File fi = mCrumbs.get(i).getFile();
|
||||
if (fi.getPath().equals(path)) {
|
||||
index = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
boolean removedActive = index >= mActive;
|
||||
if (index > -1) {
|
||||
while (index <= mCrumbs.size() - 1)
|
||||
removeCrumbAt(index);
|
||||
if (mChildFrame.getChildCount() > 0) {
|
||||
int lastIndex = mCrumbs.size() - 1;
|
||||
invalidateActivated(mChildFrame.getChildAt(lastIndex), mActive == lastIndex, false, false);
|
||||
}
|
||||
}
|
||||
return removedActive || mCrumbs.size() == 0;
|
||||
}
|
||||
|
||||
public boolean trim(File file) {
|
||||
return trim(file.getPath(), file.isDirectory());
|
||||
}
|
||||
|
||||
void updateIndices() {
|
||||
for (int i = 0; i < mChildFrame.getChildCount(); i++)
|
||||
mChildFrame.getChildAt(i).setTag(i);
|
||||
}
|
||||
|
||||
public void setActiveOrAdd(@NonNull Crumb crumb, boolean forceRecreate) {
|
||||
if (forceRecreate || !setActive(crumb)) {
|
||||
clearCrumbs();
|
||||
final List<File> newPathSet = new ArrayList<>();
|
||||
|
||||
newPathSet.add(0, crumb.getFile());
|
||||
|
||||
File p = crumb.getFile();
|
||||
while ((p = p.getParentFile()) != null) {
|
||||
newPathSet.add(0, p);
|
||||
}
|
||||
|
||||
for (int index = 0; index < newPathSet.size(); index++) {
|
||||
final File fi = newPathSet.get(index);
|
||||
crumb = new Crumb(fi);
|
||||
|
||||
// Restore scroll positions saved before clearing
|
||||
if (mOldCrumbs != null) {
|
||||
for (Iterator<Crumb> iterator = mOldCrumbs.iterator(); iterator.hasNext(); ) {
|
||||
Crumb old = iterator.next();
|
||||
if (old.equals(crumb)) {
|
||||
crumb.setScrollPosition(old.getScrollPosition());
|
||||
iterator.remove(); // minimize number of linear passes by removing un-used crumbs from history
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
addCrumb(crumb, true);
|
||||
}
|
||||
|
||||
// History no longer needed
|
||||
mOldCrumbs = null;
|
||||
}
|
||||
}
|
||||
|
||||
public int size() {
|
||||
return mCrumbs.size();
|
||||
}
|
||||
|
||||
private TextView invalidateActivated(View view, final boolean isActive, final boolean noArrowIfAlone, final boolean allowArrowVisible) {
|
||||
int contentColor = isActive ? contentColorActivated : contentColorDeactivated;
|
||||
LinearLayout child = (LinearLayout) view;
|
||||
TextView tv = (TextView) child.getChildAt(0);
|
||||
tv.setTextColor(contentColor);
|
||||
ImageView iv = (ImageView) child.getChildAt(1);
|
||||
iv.setColorFilter(contentColor, PorterDuff.Mode.SRC_IN);
|
||||
if (noArrowIfAlone && getChildCount() == 1)
|
||||
iv.setVisibility(View.GONE);
|
||||
else if (allowArrowVisible)
|
||||
iv.setVisibility(View.VISIBLE);
|
||||
else
|
||||
iv.setVisibility(View.GONE);
|
||||
return tv;
|
||||
}
|
||||
|
||||
public int getActiveIndex() {
|
||||
return mActive;
|
||||
}
|
||||
|
||||
public void setActivatedContentColor(@ColorInt int contentColorActivated) {
|
||||
this.contentColorActivated = contentColorActivated;
|
||||
}
|
||||
|
||||
public void setDeactivatedContentColor(@ColorInt int contentColorDeactivated) {
|
||||
this.contentColorDeactivated = contentColorDeactivated;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
if (mCallback != null) {
|
||||
int index = (Integer) v.getTag();
|
||||
mCallback.onCrumbSelection(mCrumbs.get(index), index);
|
||||
}
|
||||
}
|
||||
|
||||
public static class SavedStateWrapper implements Parcelable {
|
||||
|
||||
public final int mActive;
|
||||
public final List<Crumb> mCrumbs;
|
||||
public final int mVisibility;
|
||||
|
||||
public SavedStateWrapper(BreadCrumbLayout view) {
|
||||
mActive = view.mActive;
|
||||
mCrumbs = view.mCrumbs;
|
||||
mVisibility = view.getVisibility();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int describeContents() {
|
||||
return 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeToParcel(Parcel dest, int flags) {
|
||||
dest.writeInt(this.mActive);
|
||||
dest.writeTypedList(mCrumbs);
|
||||
dest.writeInt(this.mVisibility);
|
||||
}
|
||||
|
||||
protected SavedStateWrapper(Parcel in) {
|
||||
this.mActive = in.readInt();
|
||||
this.mCrumbs = in.createTypedArrayList(Crumb.CREATOR);
|
||||
this.mVisibility = in.readInt();
|
||||
}
|
||||
|
||||
public static final Creator<SavedStateWrapper> CREATOR = new Creator<SavedStateWrapper>() {
|
||||
public SavedStateWrapper createFromParcel(Parcel source) {
|
||||
return new SavedStateWrapper(source);
|
||||
}
|
||||
|
||||
public SavedStateWrapper[] newArray(int size) {
|
||||
return new SavedStateWrapper[size];
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
public SavedStateWrapper getStateWrapper() {
|
||||
return new SavedStateWrapper(this);
|
||||
}
|
||||
|
||||
public void restoreFromStateWrapper(SavedStateWrapper mSavedState) {
|
||||
if (mSavedState != null) {
|
||||
mActive = mSavedState.mActive;
|
||||
for (Crumb c : mSavedState.mCrumbs) {
|
||||
addCrumb(c, false);
|
||||
}
|
||||
requestLayout();
|
||||
setVisibility(mSavedState.mVisibility);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue