001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright © 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.pm.graphic.gantt.link_routing;
051:
052: import java.awt.geom.GeneralPath;
053:
054: import com.projity.pm.dependency.DependencyType;
055:
056: /**
057: *
058: */
059: public class QuadraticGanttLinkRouting extends GanttLinkRouting {
060: private static final long serialVersionUID = -1617695945785858247L;
061:
062: public void routePath(GeneralPath path, double x0, double y0,
063: double x1, double y1, double y2, double y1floor,
064: double y1ceil, int type) {
065: this .path = path;
066: int fromSign = (type == DependencyType.SF || type == DependencyType.SS) ? -1
067: : 1;
068: int toSign = (type == DependencyType.FS || type == DependencyType.SS) ? -1
069: : 1;
070:
071: double fromDeltaX = 5.0;
072: double toDeltaX = 15.0;
073: double maxDeltaXVerticalArrow = 20;
074: double deltaQ = 10;
075: double deltaXb = Math.min(deltaQ, Math.abs(y1 - y0) / 2);
076: double signY = (y1 >= y0) ? 1 : -1;
077:
078: double x2 = x0 + fromSign * fromDeltaX;
079: double x2b = x2 + fromSign * 2 * deltaXb;
080: double x3 = x1 + toSign * toDeltaX;
081: double x3b = x3 + toSign * 2 * deltaXb;
082: double x2bb = (x2b + x2) / 2;
083: double x3bb = (x3b + x3) / 2;
084:
085: double y0b = y0 + signY * deltaXb;
086: double y1b = y1 - signY * deltaXb;
087: double y0bb = y0 + signY
088: * Math.min(deltaQ, Math.abs(y2 - y0) / 2);
089: double y1bb = y1 - signY
090: * Math.min(deltaQ, Math.abs(y1 - y2) / 2);
091: double y2b0 = y2 - signY
092: * Math.min(deltaQ, Math.abs(y2 - y0) / 2);
093: double y2b1 = y2 + signY
094: * Math.min(deltaQ, Math.abs(y1 - y2) / 2);
095:
096: resetLinkPoints();
097: addLinkPoint(x0, y0);
098: if (type == DependencyType.FS && verticalArrow
099: && x1 + maxDeltaXVerticalArrow >= x2bb) {
100: double x4 = Math.max(x1, x2bb);
101: double x4b = x4 - deltaXb;
102: addLinkPoint(x4b, y0);
103: addLinkPoint(x4, y0, false);
104: addLinkPoint(x4, y0b, false);
105: quad();
106: addLinkPoint(x4, (y1 >= y0) ? y1ceil : y1floor);
107: return;
108: }
109: switch (type) {
110: case DependencyType.FS:
111: case DependencyType.SF:
112: if (type == DependencyType.FS && x3 >= x2 || x3 <= x2
113: && type == DependencyType.SF) {
114: addLinkPoint(x3b, y0);
115: addLinkPoint(x3bb, y0, false);
116: addLinkPoint(x3bb, y0b, false);
117: quad();
118: if (y0b != y1b)
119: addLinkPoint(x3bb, y1b);
120: addLinkPoint(x3bb, y1, false);
121: addLinkPoint(x3, y1, false);
122: quad();
123: } else {
124: addLinkPoint(x2, y0);
125: addLinkPoint(x2bb, y0, false);
126: addLinkPoint(x2bb, y0bb, false);
127: quad();
128: if (y0bb != y2b0)
129: addLinkPoint(x2bb, y2b0);
130: addLinkPoint(x2bb, y2, false);
131: addLinkPoint(x2, y2, false);
132: quad();
133: addLinkPoint(x3, y2);
134: addLinkPoint(x3bb, y2, false);
135: addLinkPoint(x3bb, y2b1, false);
136: quad();
137: if (y1bb != y2b1)
138: addLinkPoint(x3bb, y1bb);
139: addLinkPoint(x3bb, y1, false);
140: addLinkPoint(x3, y1, false);
141: quad();
142: }
143: break;
144: case DependencyType.SS:
145: case DependencyType.FF: {
146: double x5, x5b;
147: if (type == DependencyType.SS) {
148: x5 = (x2 < x3) ? x2 : x3;
149: x5b = (x2b < x3b) ? x2b : x3b;
150: } else {
151: x5 = (x2 > x3) ? x2 : x3;
152: x5b = (x2b > x3b) ? x2b : x3b;
153: }
154: double x5bb = (x5b + x5) / 2;
155: addLinkPoint(x5, y0);
156: addLinkPoint(x5bb, y0, false);
157: addLinkPoint(x5bb, y0b, false);
158: quad();
159: if (y0b != y1b)
160: addLinkPoint(x5bb, y1b);
161: addLinkPoint(x5bb, y1, false);
162: addLinkPoint(x5, y1, false);
163: quad();
164: break;
165: }
166: default:
167: return;
168: }
169: addLinkPoint(x1, y1);
170: }
171: }
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