Android example source code file (EditStyledText.java)
The EditStyledText.java Android example source code/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.internal.widget;
import java.io.InputStream;
import java.util.ArrayList;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.RectShape;
import android.net.Uri;
import android.os.Bundle;
import android.text.Editable;
import android.text.Html;
import android.text.Layout;
import android.text.Spannable;
import android.text.Spanned;
import android.text.method.ArrowKeyMovementMethod;
import android.text.style.AbsoluteSizeSpan;
import android.text.style.AlignmentSpan;
import android.text.style.CharacterStyle;
import android.text.style.ForegroundColorSpan;
import android.text.style.ImageSpan;
import android.text.style.ParagraphStyle;
import android.text.style.QuoteSpan;
import android.util.AttributeSet;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.TextView;
/**
* EditStyledText extends EditText for managing the flow and status to edit
* the styled text. This manages the states and flows of editing, supports
* inserting image, import/export HTML.
*/
public class EditStyledText extends EditText {
private static final String LOG_TAG = "EditStyledText";
private static final boolean DBG = false;
/**
* The modes of editing actions.
*/
/** The mode that no editing action is done. */
public static final int MODE_NOTHING = 0;
/** The mode of copy. */
public static final int MODE_COPY = 1;
/** The mode of paste. */
public static final int MODE_PASTE = 2;
/** The mode of changing size. */
public static final int MODE_SIZE = 3;
/** The mode of changing color. */
public static final int MODE_COLOR = 4;
/** The mode of selection. */
public static final int MODE_SELECT = 5;
/** The mode of changing alignment. */
public static final int MODE_ALIGN = 6;
/** The mode of changing cut. */
public static final int MODE_CUT = 7;
/**
* The state of selection.
*/
/** The state that selection isn't started. */
public static final int STATE_SELECT_OFF = 0;
/** The state that selection is started. */
public static final int STATE_SELECT_ON = 1;
/** The state that selection is done, but not fixed. */
public static final int STATE_SELECTED = 2;
/** The state that selection is done and not fixed. */
public static final int STATE_SELECT_FIX = 3;
/**
* The help message strings.
*/
public static final int HINT_MSG_NULL = 0;
public static final int HINT_MSG_COPY_BUF_BLANK = 1;
public static final int HINT_MSG_SELECT_START = 2;
public static final int HINT_MSG_SELECT_END = 3;
public static final int HINT_MSG_PUSH_COMPETE = 4;
/**
* The help message strings.
*/
public static final int DEFAULT_BACKGROUND_COLOR = 0x00FFFFFF;
/**
* EditStyledTextInterface provides functions for notifying messages to
* calling class.
*/
public interface EditStyledTextNotifier {
public void notifyHintMsg(int msgId);
public void notifyStateChanged(int mode, int state);
}
private EditStyledTextNotifier mESTInterface;
/**
* EditStyledTextEditorManager manages the flow and status of each
* function for editing styled text.
*/
private EditorManager mManager;
private StyledTextConverter mConverter;
private StyledTextDialog mDialog;
private Drawable mDefaultBackground;
private int mBackgroundColor;
/**
* EditStyledText extends EditText for managing flow of each editing
* action.
*/
public EditStyledText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
public EditStyledText(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public EditStyledText(Context context) {
super(context);
init();
}
/**
* Set Notifier.
*/
public void setNotifier(EditStyledTextNotifier estInterface) {
mESTInterface = estInterface;
}
/**
* Set Builder for AlertDialog.
*
* @param builder
* Builder for opening Alert Dialog.
*/
public void setBuilder(Builder builder) {
mDialog.setBuilder(builder);
}
/**
* Set Parameters for ColorAlertDialog.
*
* @param colortitle
* Title for Alert Dialog.
* @param colornames
* List of name of selecting color.
* @param colorints
* List of int of color.
*/
public void setColorAlertParams(CharSequence colortitle,
CharSequence[] colornames, CharSequence[] colorints) {
mDialog.setColorAlertParams(colortitle, colornames, colorints);
}
/**
* Set Parameters for SizeAlertDialog.
*
* @param sizetitle
* Title for Alert Dialog.
* @param sizenames
* List of name of selecting size.
* @param sizedisplayints
* List of int of size displayed in TextView.
* @param sizesendints
* List of int of size exported to HTML.
*/
public void setSizeAlertParams(CharSequence sizetitle,
CharSequence[] sizenames, CharSequence[] sizedisplayints,
CharSequence[] sizesendints) {
mDialog.setSizeAlertParams(sizetitle, sizenames, sizedisplayints,
sizesendints);
}
public void setAlignAlertParams(CharSequence aligntitle,
CharSequence[] alignnames) {
mDialog.setAlignAlertParams(aligntitle, alignnames);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (mManager.isSoftKeyBlocked() &&
event.getAction() == MotionEvent.ACTION_UP) {
cancelLongPress();
}
final boolean superResult = super.onTouchEvent(event);
if (event.getAction() == MotionEvent.ACTION_UP) {
if (DBG) {
Log.d(LOG_TAG, "--- onTouchEvent");
}
mManager.onCursorMoved();
}
return superResult;
}
/**
* Start editing. This function have to be called before other editing
* actions.
*/
public void onStartEdit() {
mManager.onStartEdit();
}
/**
* End editing.
*/
public void onEndEdit() {
mManager.onEndEdit();
}
/**
* Start "Copy" action.
*/
public void onStartCopy() {
mManager.onStartCopy();
}
/**
* Start "Cut" action.
*/
public void onStartCut() {
mManager.onStartCut();
}
/**
* Start "Paste" action.
*/
public void onStartPaste() {
mManager.onStartPaste();
}
/**
* Start changing "Size" action.
*/
public void onStartSize() {
mManager.onStartSize();
}
/**
* Start changing "Color" action.
*/
public void onStartColor() {
mManager.onStartColor();
}
/**
* Start changing "BackgroundColor" action.
*/
public void onStartBackgroundColor() {
mManager.onStartBackgroundColor();
}
/**
* Start changing "Alignment" action.
*/
public void onStartAlign() {
mManager.onStartAlign();
}
/**
* Start "Select" action.
*/
public void onStartSelect() {
mManager.onStartSelect();
}
/**
* Start "SelectAll" action.
*/
public void onStartSelectAll() {
mManager.onStartSelectAll();
}
/**
* Fix Selected Item.
*/
public void onFixSelectedItem() {
mManager.onFixSelectedItem();
}
/**
* InsertImage to TextView by using URI
*
* @param uri
* URI of the iamge inserted to TextView.
*/
public void onInsertImage(Uri uri) {
mManager.onInsertImage(uri);
}
/**
* InsertImage to TextView by using resource ID
*
* @param resId
* Resource ID of the iamge inserted to TextView.
*/
public void onInsertImage(int resId) {
mManager.onInsertImage(resId);
}
public void onInsertHorizontalLine() {
mManager.onInsertHorizontalLine();
}
public void onClearStyles() {
mManager.onClearStyles();
}
/**
* Set Size of the Item.
*
* @param size
* The size of the Item.
*/
public void setItemSize(int size) {
mManager.setItemSize(size);
}
/**
* Set Color of the Item.
*
* @param color
* The color of the Item.
*/
public void setItemColor(int color) {
mManager.setItemColor(color);
}
/**
* Set Alignment of the Item.
*
* @param color
* The color of the Item.
*/
public void setAlignment(Layout.Alignment align) {
mManager.setAlignment(align);
}
/**
* Set Background color of View.
*
* @param color
* The background color of view.
*/
@Override
public void setBackgroundColor(int color) {
super.setBackgroundColor(color);
mBackgroundColor = color;
}
/**
* Set html to EditStyledText.
*
* @param html
* The html to be set.
*/
public void setHtml(String html) {
mConverter.SetHtml(html);
}
/**
* Check whether editing is started or not.
*
* @return Whether editing is started or not.
*/
public boolean isEditting() {
return mManager.isEditting();
}
/**
* Check whether styled text or not.
*
* @return Whether styled text or not.
*/
public boolean isStyledText() {
return mManager.isStyledText();
}
/**
* Check whether SoftKey is Blocked or not.
*
* @return whether SoftKey is Blocked or not.
*/
public boolean isSoftKeyBlocked() {
return mManager.isSoftKeyBlocked();
}
/**
* Get the mode of the action.
*
* @return The mode of the action.
*/
public int getEditMode() {
return mManager.getEditMode();
}
/**
* Get the state of the selection.
*
* @return The state of the selection.
*/
public int getSelectState() {
return mManager.getSelectState();
}
@Override
public Bundle getInputExtras(boolean create) {
if (DBG) {
Log.d(LOG_TAG, "---getInputExtras");
}
Bundle bundle = super.getInputExtras(create);
if (bundle != null) {
bundle = new Bundle();
}
bundle.putBoolean("allowEmoji", true);
return bundle;
}
/**
* Get the state of the selection.
*
* @return The state of the selection.
*/
public String getHtml() {
return mConverter.getHtml();
}
/**
* Get the state of the selection.
*
* @param uris
* The array of used uris.
* @return The state of the selection.
*/
public String getHtml(ArrayList<Uri> uris) {
mConverter.getUriArray(uris, getText());
return mConverter.getHtml();
}
/**
* Get Background color of View.
*
* @return The background color of View.
*/
public int getBackgroundColor() {
return mBackgroundColor;
}
/**
* Get Foreground color of View.
*
* @return The background color of View.
*/
public int getForeGroundColor(int pos) {
if (DBG) {
Log.d(LOG_TAG, "---getForeGroundColor: " + pos);
}
if (pos < 0 || pos > getText().length()) {
Log.e(LOG_TAG, "---getForeGroundColor: Illigal position.");
return DEFAULT_BACKGROUND_COLOR;
} else {
ForegroundColorSpan[] spans =
getText().getSpans(pos, pos, ForegroundColorSpan.class);
if (spans.length > 0) {
return spans[0].getForegroundColor();
} else {
return DEFAULT_BACKGROUND_COLOR;
}
}
}
/**
* Initialize members.
*/
private void init() {
if (DBG) {
Log.d(LOG_TAG, "--- init");
}
requestFocus();
mDefaultBackground = getBackground();
mBackgroundColor = DEFAULT_BACKGROUND_COLOR;
mManager = new EditorManager(this);
mConverter = new StyledTextConverter(this);
mDialog = new StyledTextDialog(this);
setMovementMethod(new StyledTextArrowKeyMethod(mManager));
mManager.blockSoftKey();
mManager.unblockSoftKey();
}
/**
* Show Foreground Color Selecting Dialog.
*/
private void onShowForegroundColorAlert() {
mDialog.onShowForegroundColorAlertDialog();
}
/**
* Show Background Color Selecting Dialog.
*/
private void onShowBackgroundColorAlert() {
mDialog.onShowBackgroundColorAlertDialog();
}
/**
* Show Size Selecting Dialog.
*/
private void onShowSizeAlert() {
mDialog.onShowSizeAlertDialog();
}
/**
* Show Alignment Selecting Dialog.
*/
private void onShowAlignAlert() {
mDialog.onShowAlignAlertDialog();
}
/**
* Notify hint messages what action is expected to calling class.
*
* @param msgId
* Id of the hint message.
*/
private void setHintMessage(int msgId) {
if (mESTInterface != null) {
mESTInterface.notifyHintMsg(msgId);
}
}
/**
* Notify the event that the mode and state are changed.
*
* @param mode
* Mode of the editing action.
* @param state
* Mode of the selection state.
*/
private void notifyStateChanged(int mode, int state) {
if (mESTInterface != null) {
mESTInterface.notifyStateChanged(mode, state);
}
}
/**
* EditorManager manages the flow and status of editing actions.
*/
private class EditorManager {
private boolean mEditFlag = false;
private boolean mSoftKeyBlockFlag = false;
private int mMode = 0;
private int mState = 0;
private int mCurStart = 0;
private int mCurEnd = 0;
private EditStyledText mEST;
EditorManager(EditStyledText est) {
mEST = est;
}
public void onStartEdit() {
if (DBG) {
Log.d(LOG_TAG, "--- onStartEdit");
}
Log.d(LOG_TAG, "--- onstartedit:");
handleResetEdit();
mEST.notifyStateChanged(mMode, mState);
}
public void onEndEdit() {
if (DBG) {
Log.d(LOG_TAG, "--- onEndEdit");
}
handleCancel();
mEST.notifyStateChanged(mMode, mState);
}
public void onStartCopy() {
if (DBG) {
Log.d(LOG_TAG, "--- onStartCopy");
}
handleCopy();
mEST.notifyStateChanged(mMode, mState);
}
public void onStartCut() {
if (DBG) {
Log.d(LOG_TAG, "--- onStartCut");
}
handleCut();
mEST.notifyStateChanged(mMode, mState);
}
public void onStartPaste() {
if (DBG) {
Log.d(LOG_TAG, "--- onStartPaste");
}
handlePaste();
mEST.notifyStateChanged(mMode, mState);
}
public void onStartSize() {
if (DBG) {
Log.d(LOG_TAG, "--- onStartSize");
}
handleSize();
mEST.notifyStateChanged(mMode, mState);
}
public void onStartAlign() {
if (DBG) {
Log.d(LOG_TAG, "--- onStartAlignRight");
}
handleAlign();
mEST.notifyStateChanged(mMode, mState);
}
public void onStartColor() {
if (DBG) {
Log.d(LOG_TAG, "--- onClickColor");
}
handleColor();
mEST.notifyStateChanged(mMode, mState);
}
public void onStartBackgroundColor() {
if (DBG) {
Log.d(LOG_TAG, "--- onClickColor");
}
mEST.onShowBackgroundColorAlert();
mEST.notifyStateChanged(mMode, mState);
}
public void onStartSelect() {
if (DBG) {
Log.d(LOG_TAG, "--- onClickSelect");
}
mMode = MODE_SELECT;
if (mState == STATE_SELECT_OFF) {
handleSelect();
} else {
unsetSelect();
handleSelect();
}
mEST.notifyStateChanged(mMode, mState);
}
public void onCursorMoved() {
if (DBG) {
Log.d(LOG_TAG, "--- onClickView");
}
if (mState == STATE_SELECT_ON || mState == STATE_SELECTED) {
handleSelect();
mEST.notifyStateChanged(mMode, mState);
}
}
public void onStartSelectAll() {
if (DBG) {
Log.d(LOG_TAG, "--- onClickSelectAll");
}
handleSelectAll();
mEST.notifyStateChanged(mMode, mState);
}
public void onFixSelectedItem() {
if (DBG) {
Log.d(LOG_TAG, "--- onClickComplete");
}
handleComplete();
mEST.notifyStateChanged(mMode, mState);
}
public void onInsertImage(Uri uri) {
if (DBG) {
Log.d(LOG_TAG, "--- onInsertImage by URI: " + uri.getPath()
+ "," + uri.toString());
}
insertImageSpan(new ImageSpan(mEST.getContext(), uri));
mEST.notifyStateChanged(mMode, mState);
}
public void onInsertImage(int resID) {
if (DBG) {
Log.d(LOG_TAG, "--- onInsertImage by resID");
}
insertImageSpan(new ImageSpan(mEST.getContext(), resID));
mEST.notifyStateChanged(mMode, mState);
}
public void onInsertHorizontalLine() {
if (DBG) {
Log.d(LOG_TAG, "--- onInsertHorizontalLine:");
}
insertImageSpan(new HorizontalLineSpan(0xFF000000, mEST));
mEST.notifyStateChanged(mMode, mState);
}
public void onClearStyles() {
if (DBG) {
Log.d(LOG_TAG, "--- onClearStyles");
}
Editable txt = mEST.getText();
int len = txt.length();
Object[] styles = txt.getSpans(0, len, Object.class);
for (Object style : styles) {
if (style instanceof ParagraphStyle ||
style instanceof QuoteSpan ||
style instanceof CharacterStyle) {
if (style instanceof ImageSpan) {
int start = txt.getSpanStart(style);
int end = txt.getSpanEnd(style);
txt.replace(start, end, "");
}
txt.removeSpan(style);
}
}
mEST.setBackgroundDrawable(mEST.mDefaultBackground);
mEST.mBackgroundColor = DEFAULT_BACKGROUND_COLOR;
}
public void setItemSize(int size) {
if (DBG) {
Log.d(LOG_TAG, "--- onClickSizeItem");
}
if (mState == STATE_SELECTED || mState == STATE_SELECT_FIX) {
changeSizeSelectedText(size);
handleResetEdit();
}
}
public void setItemColor(int color) {
if (DBG) {
Log.d(LOG_TAG, "--- onClickColorItem");
}
if (mState == STATE_SELECTED || mState == STATE_SELECT_FIX) {
changeColorSelectedText(color);
handleResetEdit();
}
}
public void setAlignment(Layout.Alignment align) {
if (DBG) {
Log.d(LOG_TAG, "--- onClickColorItem");
}
if (mState == STATE_SELECTED || mState == STATE_SELECT_FIX) {
changeAlign(align);
handleResetEdit();
}
}
public boolean isEditting() {
return mEditFlag;
}
/* If the style of the span is added, add check case for that style */
public boolean isStyledText() {
Editable txt = mEST.getText();
int len = txt.length();
if (txt.getSpans(0, len -1, ParagraphStyle.class).length > 0 ||
txt.getSpans(0, len -1, QuoteSpan.class).length > 0 ||
txt.getSpans(0, len -1, CharacterStyle.class).length > 0 ||
mEST.mBackgroundColor != DEFAULT_BACKGROUND_COLOR) {
return true;
}
return false;
}
public boolean isSoftKeyBlocked() {
return mSoftKeyBlockFlag;
}
public int getEditMode() {
return mMode;
}
public int getSelectState() {
return mState;
}
public int getSelectionStart() {
return mCurStart;
}
public int getSelectionEnd() {
return mCurEnd;
}
private void doNextHandle() {
if (DBG) {
Log.d(LOG_TAG, "--- doNextHandle: " + mMode + "," + mState);
}
switch (mMode) {
case MODE_COPY:
handleCopy();
break;
case MODE_CUT:
handleCut();
break;
case MODE_PASTE:
handlePaste();
break;
case MODE_SIZE:
handleSize();
break;
case MODE_COLOR:
handleColor();
break;
case MODE_ALIGN:
handleAlign();
break;
default:
break;
}
}
private void handleCancel() {
if (DBG) {
Log.d(LOG_TAG, "--- handleCancel");
}
mMode = MODE_NOTHING;
mState = STATE_SELECT_OFF;
mEditFlag = false;
Log.d(LOG_TAG, "--- handleCancel:" + mEST.getInputType());
unblockSoftKey();
unsetSelect();
}
private void handleComplete() {
if (DBG) {
Log.d(LOG_TAG, "--- handleComplete");
}
if (!mEditFlag) {
return;
}
if (mState == STATE_SELECTED) {
mState = STATE_SELECT_FIX;
}
doNextHandle();
}
private void handleTextViewFunc(int mode, int id) {
if (DBG) {
Log.d(LOG_TAG, "--- handleTextView: " + mMode + "," + mState +
"," + id);
}
if (!mEditFlag) {
return;
}
if (mMode == MODE_NOTHING || mMode == MODE_SELECT) {
mMode = mode;
if (mState == STATE_SELECTED) {
mState = STATE_SELECT_FIX;
handleTextViewFunc(mode, id);
} else {
handleSelect();
}
} else if (mMode != mode) {
handleCancel();
mMode = mode;
handleTextViewFunc(mode, id);
} else if (mState == STATE_SELECT_FIX) {
mEST.onTextContextMenuItem(id);
handleResetEdit();
}
}
private void handleCopy() {
if (DBG) {
Log.d(LOG_TAG, "--- handleCopy: " + mMode + "," + mState);
}
handleTextViewFunc(MODE_COPY, android.R.id.copy);
}
private void handleCut() {
if (DBG) {
Log.d(LOG_TAG, "--- handleCopy: " + mMode + "," + mState);
}
handleTextViewFunc(MODE_CUT, android.R.id.cut);
}
private void handlePaste() {
if (DBG) {
Log.d(LOG_TAG, "--- handlePaste");
}
if (!mEditFlag) {
return;
}
mEST.onTextContextMenuItem(android.R.id.paste);
}
private void handleSetSpan(int mode) {
if (DBG) {
Log.d(LOG_TAG, "--- handleSetSpan:" + mEditFlag + ","
+ mState + ',' + mMode);
}
if (!mEditFlag) {
Log.e(LOG_TAG, "--- handleSetSpan: Editing is not started.");
return;
}
if (mMode == MODE_NOTHING || mMode == MODE_SELECT) {
mMode = mode;
if (mState == STATE_SELECTED) {
mState = STATE_SELECT_FIX;
handleSetSpan(mode);
} else {
handleSelect();
}
} else if (mMode != mode) {
handleCancel();
mMode = mode;
handleSetSpan(mode);
} else {
if (mState == STATE_SELECT_FIX) {
mEST.setHintMessage(HINT_MSG_NULL);
switch (mode) {
case MODE_COLOR:
mEST.onShowForegroundColorAlert();
break;
case MODE_SIZE:
mEST.onShowSizeAlert();
break;
case MODE_ALIGN:
mEST.onShowAlignAlert();
break;
default:
Log.e(LOG_TAG, "--- handleSetSpan: invalid mode.");
break;
}
} else {
Log.d(LOG_TAG, "--- handleSetSpan: do nothing.");
}
}
}
private void handleSize() {
handleSetSpan(MODE_SIZE);
}
private void handleColor() {
handleSetSpan(MODE_COLOR);
}
private void handleAlign() {
handleSetSpan(MODE_ALIGN);
}
private void handleSelect() {
if (DBG) {
Log.d(LOG_TAG, "--- handleSelect:" + mEditFlag + "," + mState);
}
if (!mEditFlag) {
return;
}
if (mState == STATE_SELECT_OFF) {
if (isTextSelected()) {
Log.e(LOG_TAG, "Selection is off, but selected");
}
setSelectStartPos();
blockSoftKey();
mEST.setHintMessage(HINT_MSG_SELECT_END);
} else if (mState == STATE_SELECT_ON) {
if (isTextSelected()) {
Log.e(LOG_TAG, "Selection now start, but selected");
}
setSelectedEndPos();
mEST.setHintMessage(HINT_MSG_PUSH_COMPETE);
doNextHandle();
} else if (mState == STATE_SELECTED) {
if (!isTextSelected()) {
Log.e(LOG_TAG, "Selection is done, but not selected");
}
setSelectedEndPos();
doNextHandle();
}
}
private void handleSelectAll() {
if (DBG) {
Log.d(LOG_TAG, "--- handleSelectAll");
}
if (!mEditFlag) {
return;
}
mEST.selectAll();
mState = STATE_SELECTED;
}
private void handleResetEdit() {
if (DBG) {
Log.d(LOG_TAG, "Reset Editor");
}
blockSoftKey();
handleCancel();
mEditFlag = true;
mEST.setHintMessage(HINT_MSG_SELECT_START);
}
private void setSelection() {
if (DBG) {
Log.d(LOG_TAG, "--- onSelect:" + mCurStart + "," + mCurEnd);
}
if (mCurStart >= 0 && mCurStart <= mEST.getText().length()
&& mCurEnd >= 0 && mCurEnd <= mEST.getText().length()) {
if (mCurStart < mCurEnd) {
mEST.setSelection(mCurStart, mCurEnd);
} else {
mEST.setSelection(mCurEnd, mCurStart);
}
mState = STATE_SELECTED;
} else {
Log.e(LOG_TAG,
"Select is on, but cursor positions are illigal.:"
+ mEST.getText().length() + "," + mCurStart
+ "," + mCurEnd);
}
}
private void unsetSelect() {
if (DBG) {
Log.d(LOG_TAG, "--- offSelect");
}
int currpos = mEST.getSelectionStart();
mEST.setSelection(currpos, currpos);
mState = STATE_SELECT_OFF;
}
private void setSelectStartPos() {
if (DBG) {
Log.d(LOG_TAG, "--- setSelectStartPos");
}
mCurStart = mEST.getSelectionStart();
mState = STATE_SELECT_ON;
}
private void setSelectedEndPos() {
if (DBG) {
Log.d(LOG_TAG, "--- setSelectEndPos:");
}
if (mEST.getSelectionStart() == mCurStart) {
setSelectedEndPos(mEST.getSelectionEnd());
} else {
setSelectedEndPos(mEST.getSelectionStart());
}
}
public void setSelectedEndPos(int pos) {
if (DBG) {
Log.d(LOG_TAG, "--- setSelectedEndPos:");
}
mCurEnd = pos;
setSelection();
}
private boolean isTextSelected() {
if (DBG) {
Log.d(LOG_TAG, "--- isTextSelected:" + mCurStart + ","
+ mCurEnd);
}
return (mCurStart != mCurEnd)
&& (mState == STATE_SELECTED ||
mState == STATE_SELECT_FIX);
}
private void setStyledTextSpan(Object span, int start, int end) {
if (DBG) {
Log.d(LOG_TAG, "--- setStyledTextSpan:" + mMode + ","
+ start + "," + end);
}
if (start < end) {
mEST.getText().setSpan(span, start, end,
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
} else {
mEST.getText().setSpan(span, end, start,
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
private void changeSizeSelectedText(int size) {
if (DBG) {
Log.d(LOG_TAG, "--- changeSize:" + size);
}
setStyledTextSpan(new AbsoluteSizeSpan(size),
mCurStart, mCurEnd);
}
private void changeColorSelectedText(int color) {
if (DBG) {
Log.d(LOG_TAG, "--- changeColor:" + color);
}
setStyledTextSpan(new ForegroundColorSpan(color),
mCurStart, mCurEnd);
}
private void changeAlign(Layout.Alignment align) {
if (DBG) {
Log.d(LOG_TAG, "--- changeAlign:" + align);
}
setStyledTextSpan(new AlignmentSpan.Standard(align),
findLineStart(mEST.getText(), mCurStart),
findLineEnd(mEST.getText(), mCurEnd));
}
private int findLineStart(Editable text, int current) {
if (DBG) {
Log.d(LOG_TAG, "--- findLineStart: curr:" + current +
", length:" + text.length());
}
int pos = current;
for (; pos > 0; pos--) {
if (text.charAt(pos - 1) == '\n') {
break;
}
}
return pos;
}
private void insertImageSpan(ImageSpan span) {
if (DBG) {
Log.d(LOG_TAG, "--- insertImageSpan");
}
if (span != null) {
Log.d(LOG_TAG, "--- insertimagespan:" + span.getDrawable().getIntrinsicHeight() + "," + span.getDrawable().getIntrinsicWidth());
Log.d(LOG_TAG, "--- insertimagespan:" + span.getDrawable().getClass());
int curpos = mEST.getSelectionStart();
mEST.getText().insert(curpos, "\uFFFC");
mEST.getText().setSpan(span, curpos, curpos + 1,
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
mEST.notifyStateChanged(mMode, mState);
} else {
Log.e(LOG_TAG, "--- insertImageSpan: null span was inserted");
}
}
private int findLineEnd(Editable text, int current) {
if (DBG) {
Log.d(LOG_TAG, "--- findLineEnd: curr:" + current +
", length:" + text.length());
}
int pos = current;
for (; pos < text.length(); pos++) {
if (pos > 0 && text.charAt(pos - 1) == '\n') {
break;
}
}
return pos;
}
private void blockSoftKey() {
if (DBG) {
Log.d(LOG_TAG, "--- blockSoftKey:");
}
InputMethodManager imm = (InputMethodManager) mEST.getContext().
getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(mEST.getWindowToken(), 0);
mEST.setOnClickListener(
new OnClickListener() {
public void onClick(View v) {
Log.d(LOG_TAG, "--- ontrackballclick:");
onFixSelectedItem();
}
});
mSoftKeyBlockFlag = true;
}
private void unblockSoftKey() {
if (DBG) {
Log.d(LOG_TAG, "--- unblockSoftKey:");
}
mEST.setOnClickListener(null);
mSoftKeyBlockFlag = false;
}
}
private class StyledTextConverter {
private EditStyledText mEST;
public StyledTextConverter(EditStyledText est) {
mEST = est;
}
public String getHtml() {
String htmlBody = Html.toHtml(mEST.getText());
if (DBG) {
Log.d(LOG_TAG, "--- getConvertedBody:" + htmlBody);
}
return htmlBody;
}
public void getUriArray(ArrayList<Uri> uris, Editable text) {
uris.clear();
if (DBG) {
Log.d(LOG_TAG, "--- getUriArray:");
}
int len = text.length();
int next;
for (int i = 0; i < text.length(); i = next) {
next = text.nextSpanTransition(i, len, ImageSpan.class);
ImageSpan[] images = text.getSpans(i, next, ImageSpan.class);
for (int j = 0; j < images.length; j++) {
if (DBG) {
Log.d(LOG_TAG, "--- getUriArray: foundArray" +
((ImageSpan) images[j]).getSource());
}
uris.add(Uri.parse(
((ImageSpan) images[j]).getSource()));
}
}
}
public void SetHtml (String html) {
final Spanned spanned = Html.fromHtml(html, new Html.ImageGetter() {
public Drawable getDrawable(String src) {
Log.d(LOG_TAG, "--- sethtml: src="+src);
if (src.startsWith("content://")) {
Uri uri = Uri.parse(src);
try {
InputStream is = mEST.getContext().getContentResolver().openInputStream(uri);
Bitmap bitmap = BitmapFactory.decodeStream(is);
Drawable drawable = new BitmapDrawable(
getContext().getResources(), bitmap);
drawable.setBounds(0, 0,
drawable.getIntrinsicWidth(),
drawable.getIntrinsicHeight());
is.close();
return drawable;
} catch (Exception e) {
Log.e(LOG_TAG, "--- set html: Failed to loaded content " + uri, e);
return null;
}
}
Log.d(LOG_TAG, " unknown src="+src);
return null;
}
}, null);
mEST.setText(spanned);
}
}
private class StyledTextDialog {
Builder mBuilder;
CharSequence mColorTitle;
CharSequence mSizeTitle;
CharSequence mAlignTitle;
CharSequence[] mColorNames;
CharSequence[] mColorInts;
CharSequence[] mSizeNames;
CharSequence[] mSizeDisplayInts;
CharSequence[] mSizeSendInts;
CharSequence[] mAlignNames;
EditStyledText mEST;
public StyledTextDialog(EditStyledText est) {
mEST = est;
}
public void setBuilder(Builder builder) {
mBuilder = builder;
}
public void setColorAlertParams(CharSequence colortitle,
CharSequence[] colornames, CharSequence[] colorints) {
mColorTitle = colortitle;
mColorNames = colornames;
mColorInts = colorints;
}
public void setSizeAlertParams(CharSequence sizetitle,
CharSequence[] sizenames, CharSequence[] sizedisplayints,
CharSequence[] sizesendints) {
mSizeTitle = sizetitle;
mSizeNames = sizenames;
mSizeDisplayInts = sizedisplayints;
mSizeSendInts = sizesendints;
}
public void setAlignAlertParams(CharSequence aligntitle,
CharSequence[] alignnames) {
mAlignTitle = aligntitle;
mAlignNames = alignnames;
}
private boolean checkColorAlertParams() {
if (DBG) {
Log.d(LOG_TAG, "--- checkParams");
}
if (mBuilder == null) {
Log.e(LOG_TAG, "--- builder is null.");
return false;
} else if (mColorTitle == null || mColorNames == null
|| mColorInts == null) {
Log.e(LOG_TAG, "--- color alert params are null.");
return false;
} else if (mColorNames.length != mColorInts.length) {
Log.e(LOG_TAG, "--- the length of color alert params are "
+ "different.");
return false;
}
return true;
}
private boolean checkSizeAlertParams() {
if (DBG) {
Log.d(LOG_TAG, "--- checkParams");
}
if (mBuilder == null) {
Log.e(LOG_TAG, "--- builder is null.");
return false;
} else if (mSizeTitle == null || mSizeNames == null
|| mSizeDisplayInts == null || mSizeSendInts == null) {
Log.e(LOG_TAG, "--- size alert params are null.");
return false;
} else if (mSizeNames.length != mSizeDisplayInts.length
&& mSizeSendInts.length != mSizeDisplayInts.length) {
Log.e(LOG_TAG, "--- the length of size alert params are "
+ "different.");
return false;
}
return true;
}
private boolean checkAlignAlertParams() {
if (DBG) {
Log.d(LOG_TAG, "--- checkAlignAlertParams");
}
if (mBuilder == null) {
Log.e(LOG_TAG, "--- builder is null.");
return false;
} else if (mAlignTitle == null) {
Log.e(LOG_TAG, "--- align alert params are null.");
return false;
}
return true;
}
private void onShowForegroundColorAlertDialog() {
if (DBG) {
Log.d(LOG_TAG, "--- onShowForegroundColorAlertDialog");
}
if (!checkColorAlertParams()) {
return;
}
mBuilder.setTitle(mColorTitle);
mBuilder.setIcon(0);
mBuilder.
setItems(mColorNames,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Log.d("EETVM", "mBuilder.onclick:" + which);
int color = Integer.parseInt(
(String) mColorInts[which], 16) - 0x01000000;
mEST.setItemColor(color);
}
});
mBuilder.show();
}
private void onShowBackgroundColorAlertDialog() {
if (DBG) {
Log.d(LOG_TAG, "--- onShowBackgroundColorAlertDialog");
}
if (!checkColorAlertParams()) {
return;
}
mBuilder.setTitle(mColorTitle);
mBuilder.setIcon(0);
mBuilder.
setItems(mColorNames,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Log.d("EETVM", "mBuilder.onclick:" + which);
int color = Integer.parseInt(
(String) mColorInts[which], 16) - 0x01000000;
mEST.setBackgroundColor(color);
}
});
mBuilder.show();
}
private void onShowSizeAlertDialog() {
if (DBG) {
Log.d(LOG_TAG, "--- onShowSizeAlertDialog");
}
if (!checkSizeAlertParams()) {
return;
}
mBuilder.setTitle(mSizeTitle);
mBuilder.setIcon(0);
mBuilder.
setItems(mSizeNames,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Log.d(LOG_TAG, "mBuilder.onclick:" + which);
int size = Integer
.parseInt((String) mSizeDisplayInts[which]);
mEST.setItemSize(size);
}
});
mBuilder.show();
}
private void onShowAlignAlertDialog() {
if (DBG) {
Log.d(LOG_TAG, "--- onShowAlignAlertDialog");
}
if (!checkAlignAlertParams()) {
return;
}
mBuilder.setTitle(mAlignTitle);
mBuilder.setIcon(0);
mBuilder.
setItems(mAlignNames,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Log.d(LOG_TAG, "mBuilder.onclick:" + which);
Layout.Alignment align = Layout.Alignment.ALIGN_NORMAL;
switch (which) {
case 0:
align = Layout.Alignment.ALIGN_NORMAL;
break;
case 1:
align = Layout.Alignment.ALIGN_CENTER;
break;
case 2:
align = Layout.Alignment.ALIGN_OPPOSITE;
break;
default:
break;
}
mEST.setAlignment(align);
}
});
mBuilder.show();
}
}
private class StyledTextArrowKeyMethod extends ArrowKeyMovementMethod {
EditorManager mManager;
StyledTextArrowKeyMethod(EditorManager manager) {
super();
mManager = manager;
}
@Override
public boolean onKeyDown(TextView widget, Spannable buffer,
int keyCode, KeyEvent event) {
if (!mManager.isSoftKeyBlocked()) {
return super.onKeyDown(widget, buffer, keyCode, event);
}
if (executeDown(widget, buffer, keyCode)) {
return true;
}
return false;
}
private int getEndPos(TextView widget) {
int end;
if (widget.getSelectionStart() == mManager.getSelectionStart()) {
end = widget.getSelectionEnd();
} else {
end = widget.getSelectionStart();
}
return end;
}
private boolean up(TextView widget, Spannable buffer) {
if (DBG) {
Log.d(LOG_TAG, "--- up:");
}
Layout layout = widget.getLayout();
int end = getEndPos(widget);
int line = layout.getLineForOffset(end);
if (line > 0) {
int to;
if (layout.getParagraphDirection(line) ==
layout.getParagraphDirection(line - 1)) {
float h = layout.getPrimaryHorizontal(end);
to = layout.getOffsetForHorizontal(line - 1, h);
} else {
to = layout.getLineStart(line - 1);
}
mManager.setSelectedEndPos(to);
mManager.onCursorMoved();
return true;
}
return false;
}
private boolean down(TextView widget, Spannable buffer) {
if (DBG) {
Log.d(LOG_TAG, "--- down:");
}
Layout layout = widget.getLayout();
int end = getEndPos(widget);
int line = layout.getLineForOffset(end);
if (line < layout.getLineCount() - 1) {
int to;
if (layout.getParagraphDirection(line) ==
layout.getParagraphDirection(line + 1)) {
float h = layout.getPrimaryHorizontal(end);
to = layout.getOffsetForHorizontal(line + 1, h);
} else {
to = layout.getLineStart(line + 1);
}
mManager.setSelectedEndPos(to);
mManager.onCursorMoved();
return true;
}
return false;
}
private boolean left(TextView widget, Spannable buffer) {
if (DBG) {
Log.d(LOG_TAG, "--- left:");
}
Layout layout = widget.getLayout();
int to = layout.getOffsetToLeftOf(getEndPos(widget));
mManager.setSelectedEndPos(to);
mManager.onCursorMoved();
return true;
}
private boolean right(TextView widget, Spannable buffer) {
if (DBG) {
Log.d(LOG_TAG, "--- right:");
}
Layout layout = widget.getLayout();
int to = layout.getOffsetToRightOf(getEndPos(widget));
mManager.setSelectedEndPos(to);
mManager.onCursorMoved();
return true;
}
private boolean executeDown(TextView widget, Spannable buffer,
int keyCode) {
if (DBG) {
Log.d(LOG_TAG, "--- executeDown: " + keyCode);
}
boolean handled = false;
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_UP:
handled |= up(widget, buffer);
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
handled |= down(widget, buffer);
break;
case KeyEvent.KEYCODE_DPAD_LEFT:
handled |= left(widget, buffer);
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
handled |= right(widget, buffer);
break;
case KeyEvent.KEYCODE_DPAD_CENTER:
mManager.onFixSelectedItem();
handled = true;
break;
}
return handled;
}
}
public class HorizontalLineSpan extends ImageSpan {
public HorizontalLineSpan(int color, View view) {
super(new HorizontalLineDrawable(color, view));
}
}
public class HorizontalLineDrawable extends ShapeDrawable {
private View mView;
public HorizontalLineDrawable(int color, View view) {
super(new RectShape());
mView = view;
renewColor(color);
renewBounds(view);
}
@Override
public void draw(Canvas canvas) {
if (DBG) {
Log.d(LOG_TAG, "--- draw:");
}
renewColor();
renewBounds(mView);
super.draw(canvas);
}
private void renewBounds(View view) {
if (DBG) {
int width = mView.getBackground().getBounds().width();
int height = mView.getBackground().getBounds().height();
Log.d(LOG_TAG, "--- renewBounds:" + width + "," + height);
Log.d(LOG_TAG, "--- renewBounds:" + mView.getClass());
}
int width = mView.getWidth();
if (width > 20) {
width -= 20;
}
setBounds(0, 0, width, 2);
}
private void renewColor(int color) {
if (DBG) {
Log.d(LOG_TAG, "--- renewColor:" + color);
}
getPaint().setColor(color);
}
private void renewColor() {
if (DBG) {
Log.d(LOG_TAG, "--- renewColor:");
}
if (mView instanceof View) {
ImageSpan parent = getParentSpan();
Editable text = ((EditStyledText)mView).getText();
int start = text.getSpanStart(parent);
ForegroundColorSpan[] spans = text.getSpans(start, start, ForegroundColorSpan.class);
if (spans.length > 0) {
renewColor(spans[spans.length - 1].getForegroundColor());
}
}
}
private ImageSpan getParentSpan() {
if (DBG) {
Log.d(LOG_TAG, "--- getParentSpan:");
}
if (mView instanceof EditStyledText) {
Editable text = ((EditStyledText)mView).getText();
ImageSpan[] images = text.getSpans(0, text.length(), ImageSpan.class);
if (images.length > 0) {
for (ImageSpan image: images) {
if (image.getDrawable() == this) {
return image;
}
}
}
}
Log.e(LOG_TAG, "---renewBounds: Couldn't find");
return null;
}
}
}
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