Java tutorial
/* * Copyright 2016 TIBCO Software,Inc.All rights reserved. * http://community.jaspersoft.com/project/jaspermobile-android * * Unless you have purchased a commercial license agreement from TIBCO Jaspersoft, * the following license terms apply: * * This program is part of TIBCO Jaspersoft Mobile for Android. * * TIBCO Jaspersoft Mobile is free software:you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation,either version 3of the License,or * (at your option)any later version. * * TIBCO Jaspersoft Mobile is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY;without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with TIBCO Jaspersoft Mobile for Android.If not,see * <http://www.gnu.org/licenses/lgpl>. */ package com.jaspersoft.android.jaspermobile.widget; import android.content.ClipData; import android.content.Context; import android.graphics.Color; import android.graphics.PorterDuff; import android.support.v4.app.FragmentActivity; import android.util.AttributeSet; import android.util.TypedValue; import android.view.DragEvent; import android.view.MotionEvent; import android.view.View; import android.widget.RelativeLayout; import android.widget.TextView; import com.jaspersoft.android.jaspermobile.Analytics; import com.jaspersoft.android.jaspermobile.R; import com.jaspersoft.android.jaspermobile.dialog.AnnotationInputDialog; import com.jaspersoft.android.jaspermobile.ui.view.fragment.ComponentProviderDelegate; import javax.inject.Inject; /** * @author Andrew Tivodar * @since 2.5 */ public class DraggableViewsContainer extends RelativeLayout implements View.OnTouchListener, View.OnDragListener { private static final int DEFAULT_COLOR = Color.BLACK; private static final int DEFAULT_SIZE = 2; private static final int BORDER_PADDING = 10; private int mColor; private int mSize; private boolean mNeedsBorder; @Inject protected Analytics analytics; public DraggableViewsContainer(Context context) { super(context); init(); } public DraggableViewsContainer(Context context, AttributeSet attrs) { super(context, attrs); init(); } public DraggableViewsContainer(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); init(); } public int getColor() { return mColor; } public void setColor(int color) { mColor = color; } public int getSize() { return mSize; } public void setSize(int size) { mSize = size; } public void setNeedsBorder(boolean needsBorder) { mNeedsBorder = needsBorder; } public boolean needsBorder() { return mNeedsBorder; } @Override public void setEnabled(boolean enabled) { setOnTouchListener(enabled ? this : null); } @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_UP) { int viewId = addDraggableNote(event.getX(), event.getY()); showTextInputDialog(viewId); } return isEnabled(); } @Override public boolean onDrag(View v, DragEvent event) { int viewId; View noteView; switch (event.getAction()) { case DragEvent.ACTION_DRAG_STARTED: viewId = Integer.parseInt(event.getClipDescription().getLabel().toString()); noteView = findViewById(viewId); noteView.setVisibility(View.GONE); return true; case DragEvent.ACTION_DROP: viewId = Integer.parseInt(event.getClipDescription().getLabel().toString()); noteView = findViewById(viewId); noteView.setX(event.getX() - noteView.getWidth() / 2); noteView.setY(event.getY() - noteView.getHeight() / 2); noteView.setVisibility(View.VISIBLE); return true; default: return false; } } private void init() { setOnTouchListener(this); setOnDragListener(this); mColor = DEFAULT_COLOR; mSize = DEFAULT_SIZE; ComponentProviderDelegate.INSTANCE.getBaseActivityComponent((FragmentActivity) getContext()).inject(this); } private int addDraggableNote(float x, float y) { int viewId = getChildCount(); TextView textView = new TextView(getContext()); textView.setTextColor(mColor); textView.setTextSize(10 + mSize * 2); textView.setX(x); textView.setY(y); textView.setId(viewId); textView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { showTextInputDialog(v.getId(), ((TextView) v).getText().toString()); } }); textView.setOnLongClickListener(new OnLongClickListener() { @Override public boolean onLongClick(View v) { ClipData data = ClipData.newPlainText(String.valueOf(v.getId()), ""); View.DragShadowBuilder shadowBuilder = new View.DragShadowBuilder(v); v.startDrag(data, shadowBuilder, null, 0); return true; } }); addView(textView); return viewId; } private void showTextInputDialog(int viewId) { final AnnotationInputDialog annotationInputDialog = new AnnotationInputDialog(getContext()); annotationInputDialog.setTitle(getContext().getString(R.string.annotation_add_note)); annotationInputDialog.setId(viewId); annotationInputDialog.setValue(""); annotationInputDialog.setOnEventListener(new AnnotationInputDialog.OnAnnotationInputListener() { @Override public void onAnnotationEntered(int id, String inputText) { TextView note = (TextView) findViewById(id); note.setText(inputText); if (mNeedsBorder) { note.setBackgroundResource(R.drawable.bg_annotation_text_border); note.getBackground().setColorFilter(mColor, PorterDuff.Mode.MULTIPLY); int borderPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, BORDER_PADDING, getContext().getResources().getDisplayMetrics()); note.setPadding(borderPadding, borderPadding, borderPadding, borderPadding); } analytics.sendEvent(Analytics.EventCategory.RESOURCE.getValue(), Analytics.EventAction.ANNOTATED.getValue(), Analytics.EventLabel.WITH_TEXT.getValue()); } @Override public void onAnnotationCanceled(int id) { TextView noteView = (TextView) findViewById(id); removeView(noteView); } }); annotationInputDialog.show(); } private void showTextInputDialog(int viewId, final String note) { final AnnotationInputDialog annotationInputDialog = new AnnotationInputDialog(getContext()); annotationInputDialog.setTitle(getContext().getString(R.string.annotation_edit_note)); annotationInputDialog.setId(viewId); annotationInputDialog.setValue(note); annotationInputDialog.setOnEventListener(new AnnotationInputDialog.OnAnnotationInputListener() { @Override public void onAnnotationEntered(int id, String inputText) { TextView note = (TextView) findViewById(id); note.setText(inputText); } @Override public void onAnnotationCanceled(int id) { } }); annotationInputDialog.show(); } }