diff options
author | Satoshi Kataoka <> | 2009-03-27 17:27:28 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-27 17:27:28 -0700 |
commit | 05a3c6870cf718f0bdeea6f3b7c031299ecdd7fa (patch) | |
tree | 6cca479c1ecb7840e263bf57dacc767b1047a73f | |
parent | 209d4152b638561f354578ab12ac98586d611fe5 (diff) | |
download | frameworks_base-05a3c6870cf718f0bdeea6f3b7c031299ecdd7fa.zip frameworks_base-05a3c6870cf718f0bdeea6f3b7c031299ecdd7fa.tar.gz frameworks_base-05a3c6870cf718f0bdeea6f3b7c031299ecdd7fa.tar.bz2 |
AI 143196: am: CL 142964 Add a function to clear styles in EditStyledText.
Add a function to change getBackground color.
Add a function to check whether EditStyledText has styled text or not.
Refactor function and variable names for readability.
Original author: satok
Merged from: //branches/cupcake/...
Automated import of CL 143196
-rw-r--r-- | core/java/com/android/internal/widget/EditStyledText.java | 391 |
1 files changed, 346 insertions, 45 deletions
diff --git a/core/java/com/android/internal/widget/EditStyledText.java b/core/java/com/android/internal/widget/EditStyledText.java index b36707e..f0ad7b3 100644 --- a/core/java/com/android/internal/widget/EditStyledText.java +++ b/core/java/com/android/internal/widget/EditStyledText.java @@ -16,22 +16,34 @@ 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; @@ -49,7 +61,7 @@ import android.widget.TextView; public class EditStyledText extends EditText { private static final String LOG_TAG = "EditStyledText"; - private static final boolean DBG = true; + private static final boolean DBG = false; /** * The modes of editing actions. @@ -92,6 +104,12 @@ public class EditStyledText extends EditText { 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. @@ -109,7 +127,9 @@ public class EditStyledText extends EditText { */ private EditorManager mManager; private StyledTextConverter mConverter; - private StyledTextToast mToast; + private StyledTextDialog mDialog; + private Drawable mDefaultBackground; + private int mBackgroundColor; /** * EditStyledText extends EditText for managing flow of each editing @@ -144,7 +164,7 @@ public class EditStyledText extends EditText { * Builder for opening Alert Dialog. */ public void setBuilder(Builder builder) { - mToast.setBuilder(builder); + mDialog.setBuilder(builder); } /** @@ -159,7 +179,7 @@ public class EditStyledText extends EditText { */ public void setColorAlertParams(CharSequence colortitle, CharSequence[] colornames, CharSequence[] colorints) { - mToast.setColorAlertParams(colortitle, colornames, colorints); + mDialog.setColorAlertParams(colortitle, colornames, colorints); } /** @@ -177,13 +197,13 @@ public class EditStyledText extends EditText { public void setSizeAlertParams(CharSequence sizetitle, CharSequence[] sizenames, CharSequence[] sizedisplayints, CharSequence[] sizesendints) { - mToast.setSizeAlertParams(sizetitle, sizenames, sizedisplayints, + mDialog.setSizeAlertParams(sizetitle, sizenames, sizedisplayints, sizesendints); } public void setAlignAlertParams(CharSequence aligntitle, CharSequence[] alignnames) { - mToast.setAlignAlertParams(aligntitle, alignnames); + mDialog.setAlignAlertParams(aligntitle, alignnames); } @Override @@ -253,6 +273,13 @@ public class EditStyledText extends EditText { } /** + * Start changing "BackgroundColor" action. + */ + public void onStartBackgroundColor() { + mManager.onStartBackgroundColor(); + } + + /** * Start changing "Alignment" action. */ public void onStartAlign() { @@ -300,6 +327,13 @@ public class EditStyledText extends EditText { mManager.onInsertImage(resId); } + public void onInsertHorizontalLine() { + mManager.onInsertHorizontalLine(); + } + + public void onClearStyles() { + mManager.onClearStyles(); + } /** * Set Size of the Item. * @@ -320,11 +354,38 @@ public class EditStyledText extends EditText { 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. @@ -334,6 +395,14 @@ public class EditStyledText extends EditText { } /** + * 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. @@ -362,10 +431,14 @@ public class EditStyledText extends EditText { @Override public Bundle getInputExtras(boolean create) { + if (DBG) { + Log.d(LOG_TAG, "---getInputExtras"); + } Bundle bundle = super.getInputExtras(create); if (bundle != null) { - bundle.putBoolean("allowEmoji", true); + bundle = new Bundle(); } + bundle.putBoolean("allowEmoji", true); return bundle; } @@ -375,7 +448,7 @@ public class EditStyledText extends EditText { * @return The state of the selection. */ public String getHtml() { - return mConverter.getConvertedBody(); + return mConverter.getHtml(); } /** @@ -386,8 +459,40 @@ public class EditStyledText extends EditText { * @return The state of the selection. */ public String getHtml(ArrayList<Uri> uris) { - mConverter.getUriArray(uris, this.getText()); - return mConverter.getConvertedBody(); + 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; + } + } } /** @@ -396,33 +501,44 @@ public class EditStyledText extends EditText { private void init() { if (DBG) { Log.d(LOG_TAG, "--- init"); - requestFocus(); } + requestFocus(); + mDefaultBackground = getBackground(); + mBackgroundColor = DEFAULT_BACKGROUND_COLOR; mManager = new EditorManager(this); mConverter = new StyledTextConverter(this); - mToast = new StyledTextToast(this); + mDialog = new StyledTextDialog(this); setMovementMethod(new StyledTextArrowKeyMethod(mManager)); + mManager.blockSoftKey(); + mManager.unblockSoftKey(); } /** - * Show Color Selecting Dialog. + * Show Foreground Color Selecting Dialog. */ - private void onShowColorAlert() { - mToast.onShowColorAlertDialog(); + private void onShowForegroundColorAlert() { + mDialog.onShowForegroundColorAlertDialog(); + } + + /** + * Show Background Color Selecting Dialog. + */ + private void onShowBackgroundColorAlert() { + mDialog.onShowBackgroundColorAlertDialog(); } /** * Show Size Selecting Dialog. */ private void onShowSizeAlert() { - mToast.onShowSizeAlertDialog(); + mDialog.onShowSizeAlertDialog(); } /** * Show Alignment Selecting Dialog. */ private void onShowAlignAlert() { - mToast.onShowAlignAlertDialog(); + mDialog.onShowAlignAlertDialog(); } /** @@ -471,7 +587,7 @@ public class EditStyledText extends EditText { if (DBG) { Log.d(LOG_TAG, "--- onStartEdit"); } - Log.d(LOG_TAG, "--- onstartedit:" + this.getSelectionStart() + this.getSelectionEnd()); + Log.d(LOG_TAG, "--- onstartedit:"); handleResetEdit(); mEST.notifyStateChanged(mMode, mState); } @@ -532,6 +648,14 @@ public class EditStyledText extends EditText { 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"); @@ -577,12 +701,7 @@ public class EditStyledText extends EditText { Log.d(LOG_TAG, "--- onInsertImage by URI: " + uri.getPath() + "," + uri.toString()); } - int curpos = mEST.getSelectionStart(); - mEST.getText().insert(curpos, "a"); - ImageSpan is = new ImageSpan(mEST.getContext(), uri); - mEST.getText().setSpan(is, - curpos, curpos + 1, - Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); + insertImageSpan(new ImageSpan(mEST.getContext(), uri)); mEST.notifyStateChanged(mMode, mState); } @@ -590,14 +709,41 @@ public class EditStyledText extends EditText { if (DBG) { Log.d(LOG_TAG, "--- onInsertImage by resID"); } - int curpos = mEST.getSelectionStart(); - mEST.getText().insert(curpos, "a"); - mEST.getText().setSpan(new ImageSpan(mEST.getContext(), resID), - curpos, curpos + 1, - Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); + 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"); @@ -632,8 +778,21 @@ public class EditStyledText extends EditText { 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 this.mSoftKeyBlockFlag; + return mSoftKeyBlockFlag; } public int getEditMode() { @@ -781,7 +940,7 @@ public class EditStyledText extends EditText { mEST.setHintMessage(HINT_MSG_NULL); switch (mode) { case MODE_COLOR: - mEST.onShowColorAlert(); + mEST.onShowForegroundColorAlert(); break; case MODE_SIZE: mEST.onShowSizeAlert(); @@ -944,7 +1103,7 @@ public class EditStyledText extends EditText { private void changeSizeSelectedText(int size) { if (DBG) { - Log.d(LOG_TAG, "--- changeAlign:" + size); + Log.d(LOG_TAG, "--- changeSize:" + size); } setStyledTextSpan(new AbsoluteSizeSpan(size), mCurStart, mCurEnd); @@ -952,7 +1111,7 @@ public class EditStyledText extends EditText { private void changeColorSelectedText(int color) { if (DBG) { - Log.d(LOG_TAG, "--- changeAlign:" + color); + Log.d(LOG_TAG, "--- changeColor:" + color); } setStyledTextSpan(new ForegroundColorSpan(color), mCurStart, mCurEnd); @@ -981,6 +1140,23 @@ public class EditStyledText extends EditText { 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 + @@ -1017,7 +1193,7 @@ public class EditStyledText extends EditText { Log.d(LOG_TAG, "--- unblockSoftKey:"); } mEST.setOnClickListener(null); - this.mSoftKeyBlockFlag = false; + mSoftKeyBlockFlag = false; } } @@ -1028,7 +1204,7 @@ public class EditStyledText extends EditText { mEST = est; } - public String getConvertedBody() { + public String getHtml() { String htmlBody = Html.toHtml(mEST.getText()); if (DBG) { Log.d(LOG_TAG, "--- getConvertedBody:" + htmlBody); @@ -1056,9 +1232,36 @@ public class EditStyledText extends EditText { } } } + + 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(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 StyledTextToast { + private class StyledTextDialog { Builder mBuilder; CharSequence mColorTitle; CharSequence mSizeTitle; @@ -1071,7 +1274,7 @@ public class EditStyledText extends EditText { CharSequence[] mAlignNames; EditStyledText mEST; - public StyledTextToast(EditStyledText est) { + public StyledTextDialog(EditStyledText est) { mEST = est; } @@ -1101,7 +1304,7 @@ public class EditStyledText extends EditText { mAlignNames = alignnames; } - public boolean checkColorAlertParams() { + private boolean checkColorAlertParams() { if (DBG) { Log.d(LOG_TAG, "--- checkParams"); } @@ -1120,7 +1323,7 @@ public class EditStyledText extends EditText { return true; } - public boolean checkSizeAlertParams() { + private boolean checkSizeAlertParams() { if (DBG) { Log.d(LOG_TAG, "--- checkParams"); } @@ -1140,7 +1343,7 @@ public class EditStyledText extends EditText { return true; } - public boolean checkAlignAlertParams() { + private boolean checkAlignAlertParams() { if (DBG) { Log.d(LOG_TAG, "--- checkAlignAlertParams"); } @@ -1154,9 +1357,9 @@ public class EditStyledText extends EditText { return true; } - private void onShowColorAlertDialog() { + private void onShowForegroundColorAlertDialog() { if (DBG) { - Log.d(LOG_TAG, "--- onShowAlertDialog"); + Log.d(LOG_TAG, "--- onShowForegroundColorAlertDialog"); } if (!checkColorAlertParams()) { return; @@ -1176,13 +1379,35 @@ public class EditStyledText extends EditText { mBuilder.show(); } - private void onShowSizeAlertDialog() { + private void onShowBackgroundColorAlertDialog() { if (DBG) { - Log.d(LOG_TAG, "--- onShowAlertDialog"); + 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. @@ -1200,7 +1425,7 @@ public class EditStyledText extends EditText { private void onShowAlignAlertDialog() { if (DBG) { - Log.d(LOG_TAG, "--- onShowAlertDialog"); + Log.d(LOG_TAG, "--- onShowAlignAlertDialog"); } if (!checkAlignAlertParams()) { return; @@ -1358,4 +1583,80 @@ public class EditStyledText extends EditText { 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; + } + } } |