curretnlado

1 files changed, 209 insertions, 0 deletions

diff --git a/vdrmanager/de.bjusystems.vdrmanager/src/main/java/com/rajasharan/widget/SearchableSpinner.java b/vdrmanager/de.bjusystems.vdrmanager/src/main/java/com/rajasharan/widget/SearchableSpinner.java
new file mode 100644
index 0000000..6ce336a
--- /dev/null
+++ b/vdrmanager/de.bjusystems.vdrmanager/src/main/java/com/rajasharan/widget/SearchableSpinner.java
@@ -0,0 +1,209 @@
+package com.rajasharan.widget;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.TextView;
+import de.bjusystems.vdrmanager.R;
+
+/**
+ * Created by rajasharan on 8/28/15.
+ */
+public class SearchableSpinner extends ViewGroup implements TextWatcher, View.OnClickListener {
+    private static final String TAG = "Searchable_Spinner";
+
+    private CharSequence [] mList;
+    private TextView mText;
+    private TextView mDropdownArrow;
+    private AlertDialog mDialog;
+    private RecyclerDropdown mRecycler;
+    private OnSelectionChangeListener mListener;
+
+    public SearchableSpinner(Context context) {
+        this(context, null);
+    }
+
+    public SearchableSpinner(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public SearchableSpinner(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context, attrs);
+    }
+
+    private void init(Context context, AttributeSet attrs) {
+        mText = new TextView(context);
+        mText.setTextColor(Color.BLACK);
+        mText.setLayoutParams(generateDefaultLayoutParams());
+
+        mDropdownArrow = new TextView(context);
+        mDropdownArrow.setText("\u25BC");
+        mDropdownArrow.setLayoutParams(generateDefaultLayoutParams());
+
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SearchableSpinner);
+        setList(a.getTextArray(R.styleable.SearchableSpinner_list));
+        a.recycle();
+
+        int [] paddingAttrs = new int[] {
+                android.R.attr.padding,
+                android.R.attr.paddingLeft, android.R.attr.paddingTop,
+                android.R.attr.paddingRight, android.R.attr.paddingBottom};
+
+        a = context.obtainStyledAttributes(attrs, paddingAttrs);
+        for (int i=0; i<paddingAttrs.length; i++) {
+            int temp = a.hasValue(i) ? setPadding(a.getDimensionPixelSize(i, -1), i) : -1;
+        }
+    }
+
+    public void setList(CharSequence [] list) {
+        mList = list;
+        if (mList != null && mList.length > 0) {
+            mText.setText(mList[0]);
+            mDialog = createDialog(getContext());
+        }
+    }
+
+    private int setPadding(int p, int sideIndex) {
+        if (p != -1) {
+            switch (sideIndex) {
+                case 0:
+                    mText.setPadding(p, p, p, p);
+                    mDropdownArrow.setPadding(p, p, p, p);
+                    break;
+                case 1:
+                    mText.setPadding(p, getPaddingTop(), getPaddingRight(), getPaddingBottom());
+                    mDropdownArrow.setPadding(p, getPaddingTop(), getPaddingRight(), getPaddingBottom());
+                    break;
+                case 2:
+                    mText.setPadding(getPaddingLeft(), p, getPaddingRight(), getPaddingBottom());
+                    mDropdownArrow.setPadding(getPaddingLeft(), p, getPaddingRight(), getPaddingBottom());
+                    break;
+                case 3:
+                    mText.setPadding(getPaddingLeft(), getPaddingTop(), p, getPaddingBottom());
+                    mDropdownArrow.setPadding(getPaddingLeft(), getPaddingTop(), p, getPaddingBottom());
+                    break;
+                case 4:
+                    mText.setPadding(getPaddingLeft(), getPaddingTop(), getPaddingRight(), p);
+                    mDropdownArrow.setPadding(getPaddingLeft(), getPaddingTop(), getPaddingRight(), p);
+                    break;
+            }
+        }
+        return -1;
+    }
+
+    private AlertDialog createDialog(Context context) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        LayoutInflater inflater = LayoutInflater.from(context);
+        View view = inflater.inflate(R.layout.dialog_dropdown, null);
+
+        EditText filter = (EditText) view.findViewById(R.id.filter);
+        filter.setHint("\uD83D\uDD0D search");
+        filter.addTextChangedListener(this);
+
+        mRecycler = (RecyclerDropdown) view.findViewById(R.id.list);
+        mRecycler.setOnClickListener(this);
+        mRecycler.setDropdownList(mList);
+        mRecycler.scrollToPosition(mList.length/2);
+
+        builder.setView(view);
+        return builder.create();
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        mText.measure(0, 0);
+        mDropdownArrow.measure(0, 0);
+
+        int w = MeasureSpec.getSize(widthMeasureSpec);
+        int h = MeasureSpec.getSize(heightMeasureSpec);
+
+        int desiredWidth = Math.min(mText.getMeasuredWidth() + mDropdownArrow.getMeasuredWidth(), w);
+        int desiredHeight = Math.min(mText.getMeasuredHeight(), h);
+
+        //Log.d(TAG, String.format("onMeasure: (%s, %s)", desiredWidth, desiredHeight));
+
+        widthMeasureSpec = MeasureSpec.makeMeasureSpec(desiredWidth, MeasureSpec.EXACTLY);
+        heightMeasureSpec = MeasureSpec.makeMeasureSpec(desiredHeight, MeasureSpec.EXACTLY);
+        setMeasuredDimension(widthMeasureSpec, heightMeasureSpec);
+    }
+
+    @Override
+    protected void onLayout(boolean changed, int l, int t, int r, int b) {
+        mText.layout(l, t, l + mText.getMeasuredWidth(), b);
+        mDropdownArrow.layout(l + mText.getMeasuredWidth(), t, r, b);
+    }
+
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
+        mText.draw(canvas);
+        int save = canvas.save();
+        canvas.translate(mText.getWidth(), 0);
+        mDropdownArrow.draw(canvas);
+        canvas.restoreToCount(save);
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        switch (event.getActionMasked()) {
+            case MotionEvent.ACTION_UP:
+                if (mDialog != null && !mDialog.isShowing()) {
+                    mDialog.show();
+                }
+        }
+        return true;
+    }
+
+    private void updateSelection(CharSequence str) {
+        mText.setText(str);
+        requestLayout();
+        invalidate();
+        if (mListener != null) {
+            mListener.onSelectionChanged(str.toString());
+        }
+    }
+
+    public String getSelectedItem() {
+        if (mText != null) {
+            return mText.getText().toString();
+        }
+        return null;
+    }
+
+    @Override
+    public void onTextChanged(CharSequence s, int start, int before, int count) {
+        mRecycler.filter(s.toString());
+    }
+    @Override
+    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+    }
+    @Override
+    public void afterTextChanged(Editable s) {
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (mDialog.isShowing()) {
+            mDialog.dismiss();
+        }
+        updateSelection(((TextView)v).getText());
+    }
+
+    public void setOnSelectionChangeListener(OnSelectionChangeListener listener) {
+        mListener = listener;
+    }
+
+    public interface OnSelectionChangeListener {
+        public void onSelectionChanged(String selection);
+    }
+}