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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.fo.flow;
import org.apache.fop.datatypes.ColorType;
import org.apache.fop.datatypes.Length;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FOTreeVisitor;
import org.apache.fop.fo.FObjMixed;
import org.apache.fop.fo.properties.CommonAccessibility;
import org.apache.fop.fo.properties.CommonAural;
import org.apache.fop.fo.properties.CommonBackground;
import org.apache.fop.fo.properties.CommonBorderAndPadding;
import org.apache.fop.fo.properties.CommonMarginInline;
import org.apache.fop.fo.properties.CommonRelativePosition;
import org.apache.fop.fo.properties.PercentLength;
import org.apache.fop.fonts.Font;
/**
* Class modelling fo:leader object. See Sec. 6.6.9 of the XSL-FO Standard.
* The main property of fo:leader is leader-pattern.
* The following patterns are treated: rule, space, dots and use-content.
*/
public class Leader extends FObjMixed {
private int ruleStyle;
private int ruleThickness;
private int leaderPattern;
private int patternWidth;
/** FontState for this object */
protected Font fontState;
/**
* @param parent FONode that is the parent of this object
*/
public Leader(FONode parent) {
super(parent);
}
public void setup() {
// Common Accessibility Properties
CommonAccessibility mAccProps = propMgr.getAccessibilityProps();
// Common Aural Properties
CommonAural mAurProps = propMgr.getAuralProps();
// Common Border, Padding, and Background Properties
CommonBorderAndPadding bap = propMgr.getBorderAndPadding();
CommonBackground bProps = propMgr.getBackgroundProps();
// Common Font Properties
this.fontState = propMgr.getFontState(getFOTreeControl());
// Common Margin Properties-Inline
CommonMarginInline mProps = propMgr.getMarginInlineProps();
// Common Relative Position Properties
CommonRelativePosition mRelProps = propMgr.getRelativePositionProps();
// this.propertyList.get("alignment-adjust");
// this.propertyList.get("alignment-baseline");
// this.propertyList.get("baseline-shift");
// this.propertyList.get("color");
// this.propertyList.get("dominant-baseline");
// this.propertyList.get("text-depth");
// this.propertyList.get("text-altitude");
setupID();
// this.propertyList.get("leader-alignment");
// this.propertyList.get("leader-length");
// this.propertyList.get("leader-pattern");
// this.propertyList.get("leader-pattern-width");
// this.propertyList.get("rule-style");
// this.propertyList.get("rule-thickness");
// this.propertyList.get("letter-spacing");
// this.propertyList.get("line-height");
// this.propertyList.get("line-height-shift-adjustment");
// this.propertyList.get("text-shadow");
// this.propertyList.get("visibility");
// this.propertyList.get("word-spacing");
// this.propertyList.get("z-index");
// color properties
ColorType c = this.propertyList.get(PR_COLOR).getColorType();
float red = c.getRed();
float green = c.getGreen();
float blue = c.getBlue();
// fo:leader specific properties
// determines the pattern of leader; allowed values: space, rule,dots, use-content
leaderPattern = this.propertyList.get(PR_LEADER_PATTERN).getEnum();
switch(leaderPattern) {
case LeaderPattern.SPACE:
// use Space
break;
case LeaderPattern.RULE:
// the following properties only apply
// for leader-pattern = "rule"
ruleThickness =
propertyList.get(PR_RULE_THICKNESS).getLength().getValue();
ruleStyle = propertyList.get(PR_RULE_STYLE).getEnum();
break;
case LeaderPattern.DOTS:
break;
case LeaderPattern.USECONTENT:
// use inline layout manager to create inline areas
// add the inline parent multiple times until leader full
break;
}
// if leaderPatternWidth = 0 = default = use-font-metric
patternWidth =
this.propertyList.get(PR_LEADER_PATTERN_WIDTH).getLength().getValue();
}
public int getLength(int propId, int dim) {
int length;
Length maxlength = propertyList.get(propId).getLength();
if (maxlength instanceof PercentLength) {
length = (int)(((PercentLength)maxlength).value()
* dim);
} else {
length = maxlength.getValue();
}
return length;
}
public int getRuleStyle() {
return ruleStyle;
}
public int getRuleThickness() {
return ruleThickness;
}
public int getLeaderPattern() {
return leaderPattern;
}
public Font getFontState() {
return fontState;
}
public int getPatternWidth() {
return patternWidth;
}
/**
* This is a hook for an FOTreeVisitor subclass to be able to access
* this object.
* @param fotv the FOTreeVisitor subclass that can access this object.
* @see org.apache.fop.fo.FOTreeVisitor
*/
public void acceptVisitor(FOTreeVisitor fotv) {
fotv.serveLeader(this);
}
}
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