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/*
* The MIT License (MIT)
*
* Copyright (c) 2012-2014 lacolaco.net
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.lacolaco.smileessence.data;
import net.lacolaco.smileessence.activity.MainActivity;
import net.lacolaco.smileessence.entity.Tweet;
import net.lacolaco.smileessence.view.DialogHelper;
import twitter4j.StatusUpdate;
public class PostState {
// ------------------------------ FIELDS ------------------------------
private static PostState instance = new PostState();
private String text = "";
private Tweet inReplyTo = null;
private String mediaFilePath = "";
private boolean directMessage = false;
private OnPostStateChangeListener listener;
private int selectionStart = 0;
private int selectionEnd = 0;
// -------------------------- STATIC METHODS --------------------------
private PostState() {
}
public static PostState getState() {
return instance;
}
// --------------------------- CONSTRUCTORS ---------------------------
public static PostState newState() {
return instance = new PostState().setListener(instance.listener);
}
// --------------------- GETTER / SETTER METHODS ---------------------
public Tweet getInReplyTo() {
return inReplyTo;
}
public String getMediaFilePath() {
return mediaFilePath;
}
public int getSelectionEnd() {
if (selectionEnd < 0) {
return text.length();
}
return selectionEnd;
}
public int getSelectionStart() {
if (selectionStart < 0) {
return text.length();
}
return selectionStart;
}
public String getText() {
return text;
}
public PostState setListener(OnPostStateChangeListener listener) {
this.listener = listener;
return this;
}
// -------------------------- OTHER METHODS --------------------------
public PostStateTransaction beginTransaction() {
return new PostStateTransaction(this);
}
public void removeListener() {
this.listener = null;
}
/**
* Convert to StatusUpdate for tweet.
*
* @return StatusUpdate
*/
public StatusUpdate toStatusUpdate() {
StatusUpdate su = new StatusUpdate(getText());
if (getInReplyTo() != null) {
su.setInReplyToStatusId(getInReplyTo().getId());
}
return su;
}
private PostState copy(PostState another) {
this.text = another.text;
this.inReplyTo = another.getInReplyTo();
this.mediaFilePath = another.mediaFilePath;
this.directMessage = another.directMessage;
this.selectionStart = another.selectionStart;
this.selectionEnd = another.selectionEnd;
this.listener = another.listener;
return this;
}
private void postStateChange() {
if (listener != null) {
listener.onPostStateChange(this);
}
}
// -------------------------- INNER CLASSES --------------------------
public interface OnPostStateChangeListener {
void onPostStateChange(PostState postState);
}
public static class PostStateTransaction {
private PostState state;
private PostStateTransaction(PostState state) {
this.state = new PostState().copy(state);
}
public PostStateTransaction setText(String text) {
state.text = text;
return this;
}
public PostStateTransaction appendText(String text) {
state.text = state.text + text;
return this;
}
public PostStateTransaction insertText(int index, String text) {
StringBuilder builder = new StringBuilder(state.text);
builder.insert(index, text);
state.text = builder.toString();
return this;
}
public PostStateTransaction setInReplyTo(Tweet inReplyTo) {
state.inReplyTo = inReplyTo;
return this;
}
public PostStateTransaction setMediaFilePath(String mediaFilePath) {
state.mediaFilePath = mediaFilePath;
return this;
}
public PostStateTransaction setCursor(int cursor) {
state.selectionStart = state.selectionEnd = cursor;
return this;
}
public PostStateTransaction setSelection(int start, int end) {
state.selectionStart = start;
state.selectionEnd = end;
return this;
}
public void commit() {
PostState.getState().copy(state).postStateChange();
}
public void commitWithOpen(MainActivity activity) {
DialogHelper.closeAll(activity);
PostState.getState().copy(state).postStateChange();
activity.openPostPage();
}
public PostStateTransaction moveCursor(int length) {
int cursor = state.selectionEnd + length;
return setCursor(cursor);
}
}
}
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