package net.miginfocom.layout; import java.io.*; import java.util.ArrayList; /* * License (BSD): * ============== * * Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com) * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * Neither the name of the MiG InfoCom AB nor the names of its contributors may be * used to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * @version 1.0 * @author Mikael Grev, MiG InfoCom AB * Date: 2006-sep-08 */ /** * A constraint that holds the column <b>or</b> row constraints for the grid. It * also holds the gaps between the rows and columns. * <p> * This class is a holder and builder for a number of * {@link net.miginfocom.layout.DimConstraint}s. * <p> * For a more thorough explanation of what these constraints do, and how to * build the constraints, see the White Paper or Cheat Sheet at * www.migcomponents.com. * <p> * Note that there are two way to build this constraint. Through String (e.g. * <code>"[100]3[200,fill]"</code> or through API (E.g. * <code>new AxisConstraint().size("100").gap("3").size("200").fill()</code>. */ public final class AC implements Externalizable { private final ArrayList<DimConstraint> cList = new ArrayList<DimConstraint>( 8); private transient int curIx = 0; /** * Constructor. Creates an instance that can be configured manually. Will be * initialized with a default {@link net.miginfocom.layout.DimConstraint}. */ public AC() { cList.add(new DimConstraint()); } /** * Property. The different {@link net.miginfocom.layout.DimConstraint}s that * this object consists of. These * <code><DimConstraints/code> contains all information in this class. * <p> * Yes, we are embarrassingly aware that the method is misspelled. * * @return The different {@link net.miginfocom.layout.DimConstraint}s that * this object consists of. A new list and never <code>null</code>. */ public final DimConstraint[] getConstaints() { return cList.toArray(new DimConstraint[cList.size()]); } /** * Sets the different {@link net.miginfocom.layout.DimConstraint}s that this * object should consists of. * <p> * Yes, we are embarrassingly aware that the method is misspelled. * * @param constr * The different {@link net.miginfocom.layout.DimConstraint}s * that this object consists of. The list will be copied for * storage. <code>null</code> or and emty array will reset the * constraints to one <code>DimConstraint</code> with default * values. */ public final void setConstaints(DimConstraint[] constr) { if (constr == null || constr.length < 1) constr = new DimConstraint[] { new DimConstraint() }; cList.clear(); cList.ensureCapacity(constr.length); for (DimConstraint c : constr) cList.add(c); } /** * Returns the number of rows/columns that this constraints currently have. * * @return The number of rows/columns that this constraints currently have. * At least 1. */ public int getCount() { return cList.size(); } /** * Sets the total number of rows/columns to <code>size</code>. If the number * of rows/columns is already more than <code>size</code> nothing will * happen. * * @param size * The total number of rows/columns * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC count(int size) { makeSize(size); return this; } /** * Specifies that the current row/column should not be grid-like. The while * row/colum will have its components layed out in one single cell. It is * the same as to say that the cells in this column/row will all be merged * (a.k.a spanned). * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC noGrid() { return noGrid(curIx); } /** * Specifies that the indicated rows/columns should not be grid-like. The * while row/colum will have its components layed out in one single cell. It * is the same as to say that the cells in this column/row will all be * merged (a.k.a spanned). * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC noGrid(int... indexes) { for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setNoGrid(true); } return this; } /** * Sets the current row/column to <code>i</code>. If the current number of * rows/columns is less than <code>i</code> a call to {@link #count(int)} * will set the size accordingly. * <p> * The next call to any of the constraint methods (e.g. * {@link net.miginfocom.layout.AC#noGrid}) will be carried out on this new * row/column. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param i * The new current row/column. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC index(int i) { makeSize(i); curIx = i; return this; } /** * Specifies that the current row/column's component should grow by default. * It does not affect the size of the row/column. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC fill() { return fill(curIx); } /** * Specifies that the indicated rows'/columns' component should grow by * default. It does not affect the size of the row/column. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC fill(int... indexes) { for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setFill(true); } return this; } // /** Specifies that the current row/column should be put in the end group // <code>s</code> and will thus share the same ending // * coordinate within the group. // * <p> // * For a more thorough explanation of what this constraint does see the // white paper or cheat Sheet at www.migcomponents.com. // * @param s A name to associate on the group that should be the same for // other rows/columns in the same group. // * @return <code>this</code> so it is possible to chain calls. E.g. // <code>new AxisConstraint().noGrid().gap().fill()</code>. // */ // public final AxisConstraint endGroup(String s) // { // return endGroup(s, curIx); // } // // /** Specifies that the indicated rows/columns should be put in the end // group <code>s</code> and will thus share the same ending // * coordinate within the group. // * <p> // * For a more thorough explanation of what this constraint does see the // white paper or cheat Sheet at www.migcomponents.com. // * @param s A name to associate on the group that should be the same for // other rows/columns in the same group. // * @param indexes The index(es) (0-based) of the columns/rows that should // be affected by this constraint. // * @return <code>this</code> so it is possible to chain calls. E.g. // <code>new AxisConstraint().noGrid().gap().fill()</code>. // */ // public final AxisConstraint endGroup(String s, int... indexes) // { // for (int i = indexes.length - 1; i >= 0; i--) { // int ix = indexes[i]; // makeSize(ix); // cList.get(ix).setEndGroup(s); // } // return this; // } /** * Specifies that the current row/column should be put in the size group * <code>s</code> and will thus share the same size constraints as the other * components in the group. * <p> * Same as <code>sizeGroup("")</code> * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. * @since 3.7.2 */ public final AC sizeGroup() { return sizeGroup("", curIx); } /** * Specifies that the current row/column should be put in the size group * <code>s</code> and will thus share the same size constraints as the other * components in the group. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param s * A name to associate on the group that should be the same for * other rows/columns in the same group. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC sizeGroup(String s) { return sizeGroup(s, curIx); } /** * Specifies that the indicated rows/columns should be put in the size group * <code>s</code> and will thus share the same size constraints as the other * components in the group. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param s * A name to associate on the group that should be the same for * other rows/columns in the same group. * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC sizeGroup(String s, int... indexes) { for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setSizeGroup(s); } return this; } /** * Specifies the current row/column's min and/or preferred and/or max size. * E.g. <code>"10px"</code> or <code>"50:100:200"</code>. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param s * The minimum and/or preferred and/or maximum size of this row. * The string will be interpreted as a <b>BoundSize</b>. For more * info on how <b>BoundSize</b> is formatted see the * documentation. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC size(String s) { return size(s, curIx); } /** * Specifies the indicated rows'/columns' min and/or preferred and/or max * size. E.g. <code>"10px"</code> or <code>"50:100:200"</code>. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param size * The minimum and/or preferred and/or maximum size of this row. * The string will be interpreted as a <b>BoundSize</b>. For more * info on how <b>BoundSize</b> is formatted see the * documentation. * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC size(String size, int... indexes) { BoundSize bs = ConstraintParser.parseBoundSize(size, false, true); for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setSize(bs); } return this; } /** * Specifies the gap size to be the default one <b>AND</b> moves to the next * column/row. The method is called <code>.gap()</code> rather the more * natural <code>.next()</code> to indicate that it is very much related to * the other <code>.gap(..)</code> methods. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC gap() { curIx++; return this; } /** * Specifies the gap size to <code>size</code> <b>AND</b> moves to the next * column/row. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param size * minimum and/or preferred and/or maximum size of the gap * between this and the next row/column. The string will be * interpreted as a <b>BoundSize</b>. For more info on how * <b>BoundSize</b> is formatted see the documentation. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC gap(String size) { return gap(size, curIx++); } /** * Specifies the indicated rows'/columns' gap size to <code>size</code>. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param size * minimum and/or preferred and/or maximum size of the gap * between this and the next row/column. The string will be * interpreted as a <b>BoundSize</b>. For more info on how * <b>BoundSize</b> is formatted see the documentation. * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC gap(String size, int... indexes) { BoundSize bsa = size != null ? ConstraintParser.parseBoundSize(size, true, true) : null; for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); if (bsa != null) cList.get(ix).setGapAfter(bsa); } return this; } /** * Specifies the current row/column's columns default alignment <b>for its * components</b>. It does not affect the positioning or size of the * columns/row itself. For columns it is the horizonal alignment (e.g. * "left") and for rows it is the vertical alignment (e.g. "top"). * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param side * The default side to align the components. E.g. "top" or * "left", or "leading" or "trailing" or "bottom" or "right". * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC align(String side) { return align(side, curIx); } /** * Specifies the indicated rows'/columns' columns default alignment <b>for * its components</b>. It does not affect the positioning or size of the * columns/row itself. For columns it is the horizonal alignment (e.g. * "left") and for rows it is the vertical alignment (e.g. "top"). * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param side * The default side to align the components. E.g. "top" or * "left", or "before" or "after" or "bottom" or "right". * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC align(String side, int... indexes) { UnitValue al = ConstraintParser.parseAlignKeywords(side, true); if (al == null) al = ConstraintParser.parseAlignKeywords(side, false); for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setAlign(al); } return this; } /** * Specifies the current row/column's grow priority. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param p * The new grow priority. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC growPrio(int p) { return growPrio(p, curIx); } /** * Specifies the indicated rows'/columns' grow priority. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param p * The new grow priority. * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC growPrio(int p, int... indexes) { for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setGrowPriority(p); } return this; } /** * Specifies the current row/column's grow weight within columns/rows with * the <code>grow priority</code> 100f. * <p> * Same as <code>grow(100f)</code> * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. * @since 3.7.2 */ public final AC grow() { return grow(1f, curIx); } /** * Specifies the current row/column's grow weight within columns/rows with * the same <code>grow priority</code>. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param w * The new grow weight. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC grow(float w) { return grow(w, curIx); } /** * Specifies the indicated rows'/columns' grow weight within columns/rows * with the same <code>grow priority</code>. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param w * The new grow weight. * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC grow(float w, int... indexes) { Float gw = new Float(w); for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setGrow(gw); } return this; } /** * Specifies the current row/column's shrink priority. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param p * The new shrink priority. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC shrinkPrio(int p) { return shrinkPrio(p, curIx); } /** * Specifies the indicated rows'/columns' shrink priority. * <p> * For a more thorough explanation of what this constraint does see the * white paper or cheat Sheet at www.migcomponents.com. * * @param p * The new shrink priority. * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. */ public final AC shrinkPrio(int p, int... indexes) { for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setShrinkPriority(p); } return this; } /** * Specifies that the current row/column's shrink weight withing the * columns/rows with the <code>shrink priority</code> 100f. * <p> * Same as <code>shrink(100f)</code>. * <p> * For a more thorough explanation of what this constraint does see the * White Paper or Cheat Sheet at www.migcomponents.com. * * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. * @since 3.7.2 */ public final AC shrink() { return shrink(100f, curIx); } /** * Specifies that the current row/column's shrink weight withing the * columns/rows with the same <code>shrink priority</code>. * <p> * For a more thorough explanation of what this constraint does see the * White Paper or Cheat Sheet at www.migcomponents.com. * * @param w * The shrink weight. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. * @since 3.7.2 */ public final AC shrink(float w) { return shrink(w, curIx); } /** * Specifies the indicated rows'/columns' shrink weight withing the * columns/rows with the same <code>shrink priority</code>. * <p> * For a more thorough explanation of what this constraint does see the * White Paper or Cheat Sheet at www.migcomponents.com. * * @param w * The shrink weight. * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. * @since 3.7.2 */ public final AC shrink(float w, int... indexes) { Float sw = new Float(w); for (int i = indexes.length - 1; i >= 0; i--) { int ix = indexes[i]; makeSize(ix); cList.get(ix).setShrink(sw); } return this; } /** * Specifies that the current row/column's shrink weight withing the * columns/rows with the same <code>shrink priority</code>. * <p> * For a more thorough explanation of what this constraint does see the * White Paper or Cheat Sheet at www.migcomponents.com. * * @param w * The shrink weight. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. * @deprecated in 3.7.2. Use {@link #shrink(float)} instead. */ public final AC shrinkWeight(float w) { return shrink(w); } /** * Specifies the indicated rows'/columns' shrink weight withing the * columns/rows with the same <code>shrink priority</code>. * <p> * For a more thorough explanation of what this constraint does see the * White Paper or Cheat Sheet at www.migcomponents.com. * * @param w * The shrink weight. * @param indexes * The index(es) (0-based) of the columns/rows that should be * affected by this constraint. * @return <code>this</code> so it is possible to chain calls. E.g. * <code>new AxisConstraint().noGrid().gap().fill()</code>. * @deprecated in 3.7.2. Use {@link #shrink(float, int...)} instead. */ public final AC shrinkWeight(float w, int... indexes) { return shrink(w, indexes); } private void makeSize(int sz) { if (cList.size() <= sz) { cList.ensureCapacity(sz); for (int i = cList.size(); i <= sz; i++) cList.add(new DimConstraint()); } } // ************************************************ // Persistence Delegate and Serializable combined. // ************************************************ private Object readResolve() throws ObjectStreamException { return LayoutUtil.getSerializedObject(this); } public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { LayoutUtil.setSerializedObject(this, LayoutUtil.readAsXML(in)); } public void writeExternal(ObjectOutput out) throws IOException { if (getClass() == AC.class) LayoutUtil.writeAsXML(out, this); } }