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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.render.rtf.rtflib.rtfdoc;
-
- import java.io.IOException;
- import java.io.Writer;
- import java.util.Iterator;
-
- /**
- * Generates the leader in RTF.
- */
- public class RtfLeader extends RtfContainer {
-
- /*
- * Format : \tqr \style \tx## { \pard \format \tab }
- * ## represents the width \style represents the style (tldot, tlth, ...)
- * \format represents standard formats (color, fontsize, ...)
- *
- *
- * \pard \zwnj {\fsxx <format> } \zwnj
- *
- * <format>: \\ulcN Underline color. \\uld Dotted underline. \\uldash Dashed
- * underline. \\uldashd Dash-dotted underline. \\uldashdd Dash-dot-dotted
- * underline. \\uldb Double underline. \\ulhwave Heavy wave underline.
- * \\ulldash Long dashed underline. \\ulnone Stops all underlining. \\ulth
- * Thick underline. \\ulthd Thick dotted underline. \\ulthdash Thick dashed
- * underline. \\ulthdashd Thick dash-dotted underline. \\ulthdashdd Thick
- * dash-dot-dotted underline. \\ulthldash Thick long dashed underline.
- * \\ululdbwave Double wave underline.
- */
-
- private RtfAttributes attrs = null;
-
- /** Private attribute: tab style */
- public static final String LEADER_TABLEAD = "tablead";
-
- /** Private attribute: tab usage indicator */
- public static final String LEADER_USETAB = "tabuse";
-
- /** Private attribute: leader width */
- public static final String LEADER_WIDTH = "lwidth";
-
- // +++++++++++++++ Styles Underline ++++++++++++++++++++++
-
- /** Dotted underline */
- public static final String LEADER_DOTTED = "uld"; // dotted
-
- /** Dashed underline */
- public static final String LEADER_MIDDLEDOTTED = "uldash"; // dashed
-
- /** Heavy wave underline */
- public static final String LEADER_HYPHENS = "ulhwave"; // groove
-
- /** Dash-dot-dotted underline */
- public static final String LEADER_UNDERLINE = "ulthdashdd"; // ridge
-
- /** Double underline */
- public static final String LEADER_EQUAL = "uldb"; // double
-
- /** Thick underline */
- public static final String LEADER_THICK = "ulth"; // solid
-
- // +++++++++++++++ Styles Tabulator +++++++++++++++++++++++
-
- /** Leader dots */
- public static final String LEADER_TAB_DOTTED = "tldot"; // dotted
-
- /** Leader middle dots */
- public static final String LEADER_TAB_MIDDLEDOTTED = "tlmdot"; // dashed
-
- /** Leader hyphens */
- public static final String LEADER_TAB_HYPHENS = "tlhyph"; // groove
-
- /** Leader underline */
- public static final String LEADER_TAB_UNDERLINE = "tlul"; // ridge
-
- /** Leader equal sign */
- public static final String LEADER_TAB_EQUAL = "tleq"; // double
-
- /** Leader thick line */
- public static final String LEADER_TAB_THICK = "tlth"; // solid
-
- // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
- /** Resets to default properties */
- public static final String LEADER_IGNORE_STYLE = "pard";
-
- /** Font size determines rule thickness */
- public static final String LEADER_RULE_THICKNESS = "fs"; // thickness = fontsize
-
- /** Expansion or compression of the space between characters in twips */
- public static final String LEADER_PATTERN_WIDTH = "expndtw";
-
- /** Zero-width break opportunity */
- public static final String LEADER_ZERO_WIDTH = "zwbo";
-
- /** Standard leader width */
- public static final int LEADER_STANDARD_WIDTH = 30;
-
- /** Move up 4 half-points */
- public static final String LEADER_UP = "up4";
-
- /** Negative expansion */
- public static final String LEADER_EXPAND = "expnd-2"; // negative value
- // for compression
-
- /** Tab */
- public static final String LEADER_TAB_VALUE = "tab";
-
- /** Right-aligned tab */
- public static final String LEADER_TAB_RIGHT = "tqr";
-
- /** Tab width */
- public static final String LEADER_TAB_WIDTH = "tx";
-
- RtfLeader(RtfContainer parent, Writer w, RtfAttributes attrs) throws IOException {
- super(parent, w);
- this.attrs = attrs;
- }
-
- /** {@inheritDoc} */
- protected void writeRtfContent() throws IOException {
-
- int thickness = LEADER_STANDARD_WIDTH;
- String tablead = null;
- String tabwidth = null;
- for (Iterator it = attrs.nameIterator(); it.hasNext();) {
- final String name = (String)it.next();
- if (attrs.isSet(name)) {
- if (name.equals(LEADER_TABLEAD)) {
- tablead = attrs.getValue(LEADER_TABLEAD).toString();
- } else if (name.equals(LEADER_WIDTH)) {
- tabwidth = attrs.getValue(LEADER_WIDTH).toString();
- }
- }
- }
-
- if (attrs.getValue(LEADER_RULE_THICKNESS) != null) {
- thickness += Integer.parseInt(attrs.getValue(LEADER_RULE_THICKNESS).toString())
- / 1000 * 2;
- attrs.unset(LEADER_RULE_THICKNESS);
- }
-
- //Remove private attributes
- attrs.unset(LEADER_WIDTH);
- attrs.unset(LEADER_TABLEAD);
-
- // If leader is 100% we use a tabulator, because its more
- // comfortable, specially for the table of content
- if (attrs.getValue(LEADER_USETAB) != null) {
- attrs.unset(LEADER_USETAB);
- writeControlWord(LEADER_TAB_RIGHT);
-
- if (tablead != null) {
- writeControlWord(tablead);
- }
- writeControlWord(LEADER_TAB_WIDTH + tabwidth);
-
- writeGroupMark(true);
-
- writeControlWord(LEADER_IGNORE_STYLE);
- writeAttributes(attrs, null);
- writeControlWord(LEADER_EXPAND);
- writeControlWord(LEADER_TAB_VALUE);
-
- writeGroupMark(false);
-
- }
- // Using white spaces with different underline formats
- else {
- writeControlWord(LEADER_IGNORE_STYLE);
- writeControlWord(LEADER_ZERO_WIDTH);
- writeGroupMark(true);
-
- writeControlWord(LEADER_RULE_THICKNESS + thickness);
-
- writeControlWord(LEADER_UP);
-
- super.writeAttributes(attrs, null);
- if (tablead != null) {
- writeControlWord(tablead);
- }
-
- // Calculation for the necessary amount of white spaces
- // Depending on font-size 15 -> 1cm = 7,5 spaces
- // TODO for rule-thickness this has to be done better
-
- for (double d = (Integer.parseInt(tabwidth) / 560) * 7.5; d >= 1; d--) {
- RtfStringConverter.getInstance().writeRtfString(writer, " ");
- }
-
- writeGroupMark(false);
- writeControlWord(LEADER_ZERO_WIDTH);
- }
- }
-
- /** {@inheritDoc} */
- public boolean isEmpty() {
- return false;
- }
-
- }
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