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136 lines
3.9 KiB
Java
136 lines
3.9 KiB
Java
/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*
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* Created: Will Scullin <scullin@netscape.com>, 4 Nov 1997.
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*/
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package grendel.search;
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import java.awt.Component;
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import java.awt.Container;
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import java.awt.Dimension;
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import java.awt.IllegalComponentStateException;
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import java.awt.Insets;
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import java.awt.LayoutManager2;
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class OperatorLayout implements LayoutManager2 {
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int fMargin = 4;
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Component fOperator;
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public final static String kOperator = "Operator";
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public void addLayoutComponent(Component aComponent, Object aConstraint) {
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addLayoutComponent((String) aConstraint, aComponent);
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}
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public void addLayoutComponent(String aConstraint, Component aComponent) {
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if (aConstraint != null && aConstraint.equals(kOperator)) {
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if (fOperator == null) {
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fOperator = aComponent;
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} else {
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throw new java.awt.IllegalComponentStateException();
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}
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}
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}
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public void removeLayoutComponent(Component aComponent) {
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if (aComponent == fOperator) {
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fOperator = null;
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}
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}
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public void layoutContainer(Container aParent) {
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int count = aParent.getComponentCount();
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Component c[] = aParent.getComponents();
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Insets insets = aParent.getInsets();
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Dimension size = aParent.getSize();
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int x = insets.left + fMargin;
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int y = insets.top + fMargin;
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int w = size.width - insets.left - insets.right - fMargin * 2;
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if (fOperator != null) {
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Dimension dim = fOperator.getPreferredSize();
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//x += dim.width + fMargin;
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w -= dim.width + fMargin;
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}
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for (int i = 0; i < count; i++) {
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if (c[i] != fOperator) {
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Dimension dim = c[i].getPreferredSize();
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c[i].setBounds(x, y, w, dim.height);
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y += dim.height + fMargin;
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}
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}
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if (fOperator != null) {
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Dimension dim = fOperator.getPreferredSize();
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//fOperator.setBounds(insets.left + fMargin,
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fOperator.setBounds(x + w + fMargin,
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(y - dim.height) / 2,
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dim.width, dim.height);
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}
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}
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public Dimension preferredLayoutSize(Container aParent) {
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int count = aParent.getComponentCount();
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Component c[] = aParent.getComponents();
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Insets insets = aParent.getInsets();
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int h = fMargin * 2;
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int w = 0;
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for (int i = 0; i < count; i++) {
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if (c[i] != fOperator) {
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Dimension dim = c[i].getPreferredSize();
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if (dim.width > w) {
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w = dim.width;
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}
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h += dim.height;
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}
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}
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w += insets.left + insets.right + fMargin * 2;
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h += insets.top + insets.bottom + (count - 1) * fMargin;
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if (fOperator != null) {
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Dimension dim = fOperator.getPreferredSize();
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w += dim.width;
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}
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return new Dimension(w, h);
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}
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public Dimension minimumLayoutSize(Container aParent) {
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return preferredLayoutSize(aParent);
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}
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public Dimension maximumLayoutSize(Container aParent) {
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return preferredLayoutSize(aParent);
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}
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public float getLayoutAlignmentX(Container aParent) {
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return 0;
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}
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public float getLayoutAlignmentY(Container aParent) {
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return 0;
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}
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public void invalidateLayout(Container aParent) {
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}
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}
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