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88 lines
3.1 KiB
Java
88 lines
3.1 KiB
Java
/*
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* Copyright (c) 1995, 2014, 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 java.awt;
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/**
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* Defines the interface for classes that know how to lay out
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* {@code Container}s.
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* <p>
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* Swing's painting architecture assumes the children of a
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* {@code JComponent} do not overlap. If a
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* {@code JComponent}'s {@code LayoutManager} allows
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* children to overlap, the {@code JComponent} must override
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* {@code isOptimizedDrawingEnabled} to return false.
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*
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* @see Container
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* @see javax.swing.JComponent#isOptimizedDrawingEnabled
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*
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* @author Sami Shaio
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* @author Arthur van Hoff
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*/
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public interface LayoutManager {
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/**
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* If the layout manager uses a per-component string,
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* adds the component {@code comp} to the layout,
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* associating it
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* with the string specified by {@code name}.
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*
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* @param name the string to be associated with the component
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* @param comp the component to be added
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*/
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void addLayoutComponent(String name, Component comp);
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/**
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* Removes the specified component from the layout.
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* @param comp the component to be removed
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*/
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void removeLayoutComponent(Component comp);
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/**
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* Calculates the preferred size dimensions for the specified
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* container, given the components it contains.
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*
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* @param parent the container to be laid out
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* @return the preferred dimension for the container
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*
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* @see #minimumLayoutSize
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*/
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Dimension preferredLayoutSize(Container parent);
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/**
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* Calculates the minimum size dimensions for the specified
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* container, given the components it contains.
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*
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* @param parent the component to be laid out
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* @return the minimum dimension for the container
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*
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* @see #preferredLayoutSize
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*/
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Dimension minimumLayoutSize(Container parent);
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/**
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* Lays out the specified container.
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* @param parent the container to be laid out
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*/
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void layoutContainer(Container parent);
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}
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