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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
commitd83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /core/java/android/text/Editable.java
parent076357b8567458d4b6dfdcf839ef751634cd2bfb (diff)
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diff --git a/core/java/android/text/Editable.java b/core/java/android/text/Editable.java
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-/*
- * Copyright (C) 2006 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 android.text;
-
-/**
- * This is the interface for text whose content and markup
- * can be changed (as opposed
- * to immutable text like Strings). If you make a {@link DynamicLayout}
- * of an Editable, the layout will be reflowed as the text is changed.
- */
-public interface Editable
-extends CharSequence, GetChars, Spannable, Appendable
-{
- /**
- * Replaces the specified range (<code>st&hellip;en</code>) of text in this
- * Editable with a copy of the slice <code>start&hellip;end</code> from
- * <code>source</code>. The destination slice may be empty, in which case
- * the operation is an insertion, or the source slice may be empty,
- * in which case the operation is a deletion.
- * <p>
- * Before the change is committed, each filter that was set with
- * {@link #setFilters} is given the opportunity to modify the
- * <code>source</code> text.
- * <p>
- * If <code>source</code>
- * is Spanned, the spans from it are preserved into the Editable.
- * Existing spans within the Editable that entirely cover the replaced
- * range are retained, but any that were strictly within the range
- * that was replaced are removed. As a special case, the cursor
- * position is preserved even when the entire range where it is
- * located is replaced.
- * @return a reference to this object.
- */
- public Editable replace(int st, int en, CharSequence source, int start, int end);
-
- /**
- * Convenience for replace(st, en, text, 0, text.length())
- * @see #replace(int, int, CharSequence, int, int)
- */
- public Editable replace(int st, int en, CharSequence text);
-
- /**
- * Convenience for replace(where, where, text, start, end)
- * @see #replace(int, int, CharSequence, int, int)
- */
- public Editable insert(int where, CharSequence text, int start, int end);
-
- /**
- * Convenience for replace(where, where, text, 0, text.length());
- * @see #replace(int, int, CharSequence, int, int)
- */
- public Editable insert(int where, CharSequence text);
-
- /**
- * Convenience for replace(st, en, "", 0, 0)
- * @see #replace(int, int, CharSequence, int, int)
- */
- public Editable delete(int st, int en);
-
- /**
- * Convenience for replace(length(), length(), text, 0, text.length())
- * @see #replace(int, int, CharSequence, int, int)
- */
- public Editable append(CharSequence text);
-
- /**
- * Convenience for replace(length(), length(), text, start, end)
- * @see #replace(int, int, CharSequence, int, int)
- */
- public Editable append(CharSequence text, int start, int end);
-
- /**
- * Convenience for append(String.valueOf(text)).
- * @see #replace(int, int, CharSequence, int, int)
- */
- public Editable append(char text);
-
- /**
- * Convenience for replace(0, length(), "", 0, 0)
- * @see #replace(int, int, CharSequence, int, int)
- * Note that this clears the text, not the spans;
- * use {@link #clearSpans} if you need that.
- */
- public void clear();
-
- /**
- * Removes all spans from the Editable, as if by calling
- * {@link #removeSpan} on each of them.
- */
- public void clearSpans();
-
- /**
- * Sets the series of filters that will be called in succession
- * whenever the text of this Editable is changed, each of which has
- * the opportunity to limit or transform the text that is being inserted.
- */
- public void setFilters(InputFilter[] filters);
-
- /**
- * Returns the array of input filters that are currently applied
- * to changes to this Editable.
- */
- public InputFilter[] getFilters();
-
- /**
- * Factory used by TextView to create new Editables. You can subclass
- * it to provide something other than SpannableStringBuilder.
- */
- public static class Factory {
- private static Editable.Factory sInstance = new Editable.Factory();
-
- /**
- * Returns the standard Editable Factory.
- */
- public static Editable.Factory getInstance() {
- return sInstance;
- }
-
- /**
- * Returns a new SpannedStringBuilder from the specified
- * CharSequence. You can override this to provide
- * a different kind of Spanned.
- */
- public Editable newEditable(CharSequence source) {
- return new SpannableStringBuilder(source);
- }
- }
-}