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- /*
- * Copyright (c) 2006-2015 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.ui.messages;
-
- /**
- * Holds information about a range of text.
- */
- public class LinePosition {
-
- /** Starting line. */
- private int startLine;
- /** Ending line. */
- private int endLine;
- /** Starting position. */
- private int startPos;
- /** Ending position. */
- private int endPos;
-
- /**
- * Constructs a new line position.
- *
- * @param startLine Starting line
- * @param endLine Ending line
- * @param startPos Starting position
- * @param endPos Ending position
- */
- public LinePosition(final int startLine, final int startPos,
- final int endLine, final int endPos) {
- this.startLine = startLine;
- this.endLine = endLine;
- this.startPos = startPos;
- this.endPos = endPos;
- }
-
- /**
- * Constructs a new line position.
- *
- * @param position Position to create position from
- */
- public LinePosition(final LinePosition position) {
- this.startLine = position.getStartLine();
- this.endLine = position.getEndLine();
- this.startPos = position.getStartPos();
- this.endPos = position.getEndPos();
- }
-
- /**
- * Returns the end line for this position.
- *
- * @return End line
- */
- public int getEndLine() {
- return endLine;
- }
-
- /**
- * Returns the end position for this position.
- *
- * @return End position
- */
- public int getEndPos() {
- return endPos;
- }
-
- /**
- * Returns the start line for this position.
- *
- * @return Start line
- */
- public int getStartLine() {
- return startLine;
- }
-
- /**
- * Returns the start position for this position.
- *
- * @return Start position
- */
- public int getStartPos() {
- return startPos;
- }
-
- /**
- * Sets the positions end line.
- *
- * @param endLine new end line
- */
- public void setEndLine(final int endLine) {
- this.endLine = endLine;
- }
-
- /**
- * Sets the positions end line.
- *
- * @param endPos new end line
- */
- public void setEndPos(final int endPos) {
- this.endPos = endPos;
- }
-
- /**
- * Sets the positions start line.
- *
- * @param startLine new start line
- */
- public void setStartLine(final int startLine) {
- this.startLine = startLine;
- }
-
- /**
- * Sets the positions start position.
- *
- * @param startPos new start position
- */
- public void setStartPos(final int startPos) {
- this.startPos = startPos;
- }
-
- /**
- * Gets a new, normalised version of this position. Start and end lines and positions are
- * normalised such that the same range of lines and positions are included, but the start
- * line and position comes before the end line and position.
- *
- * @return A normalised copy of this position.
- */
- public LinePosition getNormalised() {
- if (startLine > endLine) {
- // Multi-line "backwards" selection; swap both lines and positions.
- return new LinePosition(endLine, endPos, startLine, startPos);
- } else if (startLine == endLine && startPos > endPos) {
- // Single-line "backwards" selection; just swap the positions.
- return new LinePosition(startLine, endPos, endLine, startPos);
- } else {
- // Single- or multi-line "forward" selection; swap nothing.
- return new LinePosition(startLine, startPos, endLine, endPos);
- }
- }
-
- @Override
- public String toString() {
- return "Position[" + startLine + ", " + startPos + ", " + endLine
- + ", " + endPos + ']';
- }
-
- }
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