author | malenkov |
Wed, 30 Apr 2014 19:28:05 +0400 | |
changeset 24544 | c0133e7c7162 |
parent 23010 | 6dadb192ad81 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package javax.swing.text; |
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/** |
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* Interface for <code>View</code>s that have size dependent upon tabs. |
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* |
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* @author Timothy Prinzing |
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* @author Scott Violet |
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* @see TabExpander |
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* @see LabelView |
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* @see ParagraphView |
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*/ |
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public interface TabableView { |
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/** |
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* Determines the desired span when using the given |
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* tab expansion implementation. If a container |
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* calls this method, it will do so prior to the |
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* normal layout which would call getPreferredSpan. |
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* A view implementing this should give the same |
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* result in any subsequent calls to getPreferredSpan |
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* along the axis of tab expansion. |
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* |
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* @param x the position the view would be located |
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* at for the purpose of tab expansion >= 0. |
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* @param e how to expand the tabs when encountered. |
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* @return the desired span >= 0 |
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*/ |
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float getTabbedSpan(float x, TabExpander e); |
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/** |
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* Determines the span along the same axis as tab |
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* expansion for a portion of the view. This is |
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* intended for use by the TabExpander for cases |
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* where the tab expansion involves aligning the |
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* portion of text that doesn't have whitespace |
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* relative to the tab stop. There is therefore |
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* an assumption that the range given does not |
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* contain tabs. |
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* |
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* @param p0 the starting location in the text document >= 0 |
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* @param p1 the ending location in the text document >= p0 |
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* @return the span >= 0 |
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*/ |
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float getPartialSpan(int p0, int p1); |
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} |