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/*
* Copyright (c) 2002-2014 JGoodies Software GmbH. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of JGoodies Software GmbH 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;
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*/
package com.jgoodies.forms.util;
import com.jgoodies.common.base.SystemUtils;
import com.jgoodies.forms.layout.ConstantSize;
import com.jgoodies.forms.layout.Size;
/**
* An abstract class that describes a layout and design style guide.
* It provides constants used to lay out panels consistently.
*
* Note: This class is work in progress and
* the API may change without notice. Therefore it is recommended
* to not write custom subclasses for production code.
* A future version of this class may collaborate with a class
* {@code LogicalSize} or {@code StyledSize}.
*
* @author Karsten Lentzsch
* @version $Revision: 1.15 $
*
* @see com.jgoodies.forms.util.MacLayoutStyle
* @see com.jgoodies.forms.util.WindowsLayoutStyle
* @see com.jgoodies.forms.layout.FormSpecs
* @see com.jgoodies.forms.factories.Borders
*/
public abstract class LayoutStyle {
/**
* Holds the current layout style.
*/
private static LayoutStyle current = initialLayoutStyle();
// Computing the initial layout style *************************************
/**
* Computes and returns the initial {@code LayoutStyle}.
* Checks the OS name and returns {@code MacLayoutStyle}
* on Mac OS X and {@code WindowLayoutStyle} on all other platforms.
*
* @return MacLayoutStyle on Mac, WindowsLayoutStyle on all other platforms
*/
private static LayoutStyle initialLayoutStyle() {
return SystemUtils.IS_OS_MAC
? MacLayoutStyle.INSTANCE
: WindowsLayoutStyle.INSTANCE;
}
// Accessing the current style ******************************************
/**
* Returns the current {@code LayoutStyle}.
*
* @return the current {@code LayoutStyle}
*/
public static LayoutStyle getCurrent() {
return current;
}
/**
* Set a new {@code LayoutStyle}.
*
* @param newLayoutStyle the style to be set
*/
public static void setCurrent(LayoutStyle newLayoutStyle) {
current = newLayoutStyle;
}
// Layout Sizes *********************************************************
/**
* Returns this style's default button width.
*
* @return the default button width
*
* @see #getDefaultButtonHeight()
*/
public abstract Size getDefaultButtonWidth();
/**
* Returns this style's default button height.
*
* @return the default button height
*
* @see #getDefaultButtonWidth()
*/
public abstract Size getDefaultButtonHeight();
/**
* Returns this style's horizontal margin for general dialogs.
*
* @return the horizontal margin for general dialogs
*
* @see #getDialogMarginY()
* @see #getTabbedDialogMarginX()
*/
public abstract ConstantSize getDialogMarginX();
/**
* Returns this style's vertical margin for general dialogs.
*
* @return the vertical margin for general dialogs
*
* @see #getDialogMarginX()
* @see #getTabbedDialogMarginY()
*/
public abstract ConstantSize getDialogMarginY();
/**
* Returns this style's horizontal margin for dialogs that consist of
* a tabbed pane.
*
* @return the horizontal margin for dialogs that consist of a tabbed pane
*
* @see #getTabbedDialogMarginY()
* @see #getDialogMarginX()
*
* @since 1.0.3
*/
public abstract ConstantSize getTabbedDialogMarginX();
/**
* Returns this style's vertical margin for dialogs that consist of
* a tabbed pane.
*
* @return the vertical margin for dialogs that consist of a tabbed pane
*
* @see #getTabbedDialogMarginX()
* @see #getDialogMarginY()
*
* @since 1.0.3
*/
public abstract ConstantSize getTabbedDialogMarginY();
/**
* Returns a gap used to separate a label and associated control.
*
* @return a gap between label and associated control
*
* @see #getRelatedComponentsPadX()
* @see #getUnrelatedComponentsPadX()
*/
public abstract ConstantSize getLabelComponentPadX();
/**
* Returns a gap used to separate a label and associated control.
*
* @return a gap between label and associated control
*
* @see #getRelatedComponentsPadY()
* @see #getUnrelatedComponentsPadY()
*
* @since 1.4
*/
public abstract ConstantSize getLabelComponentPadY();
/**
* Returns a horizontal gap used to separate related controls.
*
* @return a horizontal gap between related controls
*
* @see #getLabelComponentPadX()
* @see #getRelatedComponentsPadY()
* @see #getUnrelatedComponentsPadX()
*/
public abstract ConstantSize getRelatedComponentsPadX();
/**
* Returns a vertical gap used to separate related controls.
*
* @return a vertical gap between related controls
*
* @see #getRelatedComponentsPadX()
* @see #getUnrelatedComponentsPadY()
*/
public abstract ConstantSize getRelatedComponentsPadY();
/**
* Returns a horizontal gap used to separate unrelated controls.
*
* @return a horizontal gap between unrelated controls
*
* @see #getLabelComponentPadX()
* @see #getUnrelatedComponentsPadY()
* @see #getRelatedComponentsPadX()
*/
public abstract ConstantSize getUnrelatedComponentsPadX();
/**
* Returns a vertical gap used to separate unrelated controls.
*
* @return a vertical gap between unrelated controls
*
* @see #getUnrelatedComponentsPadX()
* @see #getRelatedComponentsPadY()
*/
public abstract ConstantSize getUnrelatedComponentsPadY();
/**
* Returns a narrow vertical pad used to separate lines.
*
* @return a narrow vertical pad used to separate lines
*
* @see #getLinePad()
* @see #getParagraphPad()
*/
public abstract ConstantSize getNarrowLinePad();
/**
* Returns a narrow vertical pad used to separate lines.
*
* @return a vertical pad used to separate lines
*
* @see #getNarrowLinePad()
* @see #getParagraphPad()
*/
public abstract ConstantSize getLinePad();
/**
* Returns a pad used to separate paragraphs.
*
* @return a vertical pad used to separate paragraphs
*
* @see #getNarrowLinePad()
* @see #getLinePad()
*/
public abstract ConstantSize getParagraphPad();
/**
* Returns a pad used to separate a button bar from a component.
*
* @return a vertical pad used to separate paragraphs
*
* @see #getRelatedComponentsPadY()
* @see #getUnrelatedComponentsPadY()
*
* @since 1.0.3
*/
public abstract ConstantSize getButtonBarPad();
}