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/* StandardTheme.java
Purpose:
Description:
History:
Mar 14, 2013 05:47:00 PM, Created by neillee
Copyright (C) 2013 Potix Corporation. All Rights Reserved.
*/
package org.zkoss.web.theme;
import java.util.Comparator;
/**
* A standard implementation of Theme.
*
* @author neillee
* @since 6.5.2
*/
public final class StandardTheme extends Theme {
/**
* Used to specify the origin of theme resources (e.g. CSS, Images)
* @since 6.5.2
*/
public static enum ThemeOrigin {
JAR, FOLDER
}
/**
* Name used to identify the default theme
*/
public static final String DEFAULT_NAME = "iceblue";
/**
* Name used to display the default theme
*/
public static final String DEFAULT_DISPLAY = "Iceblue";
/**
* Priority of the default theme
*/
public static final int DEFAULT_PRIORITY = 500;
/**
* Origin of the default theme.
* For default desktop theme, it is inside zul.jar/zkex.jar/zkmax.jar.
* For default tablet theme, it is inside zkmax.jar.
*/
public static final ThemeOrigin DEFAULT_ORIGIN = ThemeOrigin.JAR;
// Name used to display the theme
private String _displayName;
// Used in theme selection process
private int _priority;
// Location to retrieve theme resources such as CSS files and images
private ThemeOrigin _origin;
/**
* Instantiate a default theme
*/
public StandardTheme() {
this(DEFAULT_NAME, DEFAULT_DISPLAY, DEFAULT_PRIORITY);
}
/**
* Instantiate a standard theme
*
* @param themeName name used to identify the theme
*/
public StandardTheme(String themeName) {
this(themeName, themeName, DEFAULT_PRIORITY, DEFAULT_ORIGIN);
}
/**
* Instantiate a standard theme
*
* @param themeName name used to identify the theme
* @param origin where the theme resource is located, jar or folder
*/
public StandardTheme(String themeName, ThemeOrigin origin) {
this(themeName, themeName, DEFAULT_PRIORITY, origin);
}
/**
* Instantiate a standard theme
*
* @param themeName name used to identify the theme
* @param displayName name used to display the theme
* @param priority used to choose which theme to use, if no theme is
* specified, and no preferred theme is set. Higher priority themes are
* chosen over the lower priority themes. Lower the priority value, higher
* the priority.
*/
public StandardTheme(String themeName, String displayName, int priority) {
this(themeName, displayName, priority, DEFAULT_ORIGIN);
}
/**
* Instantiate a standard theme
*
* @param themeName name used to identify the theme
* @param displayName name used to display the theme
* @param priority used to choose which theme to use, if no theme is
* specified, and no preferred theme is set. Higher priority themes are
* chosen over the lower priority themes. Lower the priority value, higher
* the priority.
* @param origin where the theme resources (i.e. CSS and images) are located
*/
public StandardTheme(String themeName, String displayName, int priority, ThemeOrigin origin) {
if (!"".equals(themeName)) {
super.setName(themeName);
_displayName = displayName;
_priority = priority;
_origin = origin;
} else
throw new IllegalArgumentException("Standard themes should not have blank names");
}
/**
* @return the name used to display the theme
*/
public String getDisplayName() {
return _displayName;
}
/**
* Rename the display name
* @param displayName the new name used to display the theme
*/
public void setDisplayName(String displayName) {
_displayName = displayName;
}
/**
* @return the priority of the theme
*/
public int getPriority() {
return _priority;
}
/**
* Adjust the priority of the theme
*
* @param priority the new priority of the theme
*/
public void setPriority(int priority) {
_priority = priority;
}
/**
* @return the origin of the theme resource
*/
public ThemeOrigin getOrigin() {
return _origin;
}
private static final Comparator _COMPARATOR = new Comparator() {
public int compare(StandardTheme t1, StandardTheme t2) {
if (t1 == null) {
if (t2 == null)
return 0;
else
return 1;
} else if (t2 == null) {
return -1;
} else
return t1._priority - t2._priority;
}
};
/**
* Defines the ordering of standard themes. Higher priority themes are
* ordered before the lower priority themes.
*
* @return the comparator based on theme's priority values
*/
public static Comparator getComparator() {
return _COMPARATOR;
}
}
