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Diffstat (limited to 'jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/viewer/CaretPositionResolver.java')
-rw-r--r--jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/viewer/CaretPositionResolver.java328
1 files changed, 0 insertions, 328 deletions
diff --git a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/viewer/CaretPositionResolver.java b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/viewer/CaretPositionResolver.java
deleted file mode 100644
index 27aae6901..000000000
--- a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/viewer/CaretPositionResolver.java
+++ /dev/null
@@ -1,328 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2006 Sybase, Inc. and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Sybase, Inc. - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jst.pagedesigner.viewer;
-
-import java.util.List;
-
-import org.eclipse.draw2d.geometry.Point;
-import org.eclipse.draw2d.geometry.Rectangle;
-import org.eclipse.gef.EditPart;
-import org.eclipse.jst.pagedesigner.IHTMLConstants;
-import org.eclipse.jst.pagedesigner.dom.EditModelQuery;
-import org.eclipse.jst.pagedesigner.validation.caret.IMovementMediator;
-import org.eclipse.jst.pagedesigner.validation.caret.IPositionMediator;
-import org.eclipse.jst.pagedesigner.validation.caret.Target;
-import org.w3c.dom.Node;
-
-/**
- * @author mengbo
- * @version 1.5
- */
-public class CaretPositionResolver {
- private IPositionMediator _validator;
-
- private Point _point;
-
- private static CaretPositionResolver _instance;
-
- /**
- * @param validator
- * @param point
- * @return the singleton instance
- */
- public static CaretPositionResolver getInstance(
- IPositionMediator validator, Point point) {
- if (_instance == null) {
- _instance = new CaretPositionResolver();
- }
- _instance.setPoint(point);
- _instance.setValidator(validator);
- return _instance;
- }
-
- /**
- * @param _point
- * The _point to set.
- */
- private void setPoint(Point _point) {
- this._point = _point;
- }
-
- /**
- * @param _validator
- * The _validator to set.
- */
- private void setValidator(IPositionMediator _validator) {
- this._validator = _validator;
- }
-
- /**
- * Calculate the two part's distance to point, the shorter one will be
- * return. Distance is calculated based on: if there is one box contains
- * point.y, then calculate that box, or if there is no any such one box,
- * then calculate the y distance.
- *
- * @param part1
- * @param part2
- * @param point
- * @return
- */
- static LayoutPart getCloserPart(LayoutPart part1, LayoutPart part2,
- Point _point) {
- if (part1 == null
- || EditModelQuery.isTransparentText(Target.resolveNode(part1
- .getPart()))) {
- return part2;
- } else if (part2 == null
- || EditModelQuery.isTransparentText(Target.resolveNode(part2
- .getPart()))) {
- return part1;
- }
- Rectangle rect1 = part1.getAbsoluteBounds();
- Rectangle rect2 = part2.getAbsoluteBounds();
- Node n1 = Target.resolveNode(part1.getPart());
- Node n2 = Target.resolveNode(part2.getPart());
- // Within same.
- if (EditModelQuery.isChild(n1, n2)
- && (CaretPositionResolver.getXDistance(rect2, _point) == 0)
- && !part1.isCloseToEdgeFromOutSide()) {
- return part2;
- } else if (EditModelQuery.isChild(n2, n1)
- && (CaretPositionResolver.getXDistance(rect1, _point) == 0 && !part2
- .isCloseToEdgeFromOutSide())
- && !part2.isCloseToEdgeFromOutSide()) {
- return part1;
- }
- if (rect1.intersect(new Rectangle(rect1.x, rect2.y, rect1.width,
- rect2.height)).height == 0) {
- return heightFirst(part1, part2, _point);
- }
- return widthFirst(part1, part2, _point);
- }
-
- private static LayoutPart heightFirst(LayoutPart part1, LayoutPart part2,
- Point _point) {
- Rectangle rect1 = part1.getAbsoluteBounds();
- Rectangle rect2 = part2.getAbsoluteBounds();
- int offset1 = Math.abs(CaretPositionResolver
- .getYDistance(rect1, _point));
- int offset2 = Math.abs(CaretPositionResolver
- .getYDistance(rect2, _point));
- if (offset1 > offset2) {
- return part2;
- } else if (offset1 < offset2) {
- return part1;
- } else {
- offset1 = Math.abs(CaretPositionResolver
- .getXDistance(rect1, _point));
- offset2 = Math.abs(CaretPositionResolver
- .getXDistance(rect2, _point));
- if (offset1 >= offset2) {
- return part2;
- }
- return part1;
- }
- }
-
- private static LayoutPart widthFirst(LayoutPart part1, LayoutPart part2,
- Point _point) {
- Rectangle rect1 = part1.getAbsoluteBounds();
- Rectangle rect2 = part2.getAbsoluteBounds();
- int offset1 = Math.abs(CaretPositionResolver
- .getXDistance(rect1, _point));
- int offset2 = Math.abs(CaretPositionResolver
- .getXDistance(rect2, _point));
- if (offset1 > offset2) {
- return part2;
- } else if (offset1 < offset2) {
- return part1;
- } else {
- offset1 = Math.abs(CaretPositionResolver
- .getYDistance(rect1, _point));
- offset2 = Math.abs(CaretPositionResolver
- .getYDistance(rect2, _point));
- if (offset1 >= offset2) {
- return part2;
- }
- return part1;
- }
- }
-
- /**
- * Return a descendent part under parent that is one of the closest part to
- * point.
- *
- * @param parent
- * @return
- */
- private LayoutPart getClosestChildPart(LayoutPart parent) {
- LayoutPart result = null;
- if (parent != null) {
- List children = null;
- if ((children = parent.getPart().getChildren()).size() > 0) // &&
- // _validator.hasEditableArea(new
- // Target(parent.getPart())))
- {
- // iterate its children, we know the part doesn't contain p. so
- // we only see if its children can be
- // referenced.
- for (int i = 0, n = children.size(); i < n; i++) {
- LayoutPart nextPart = new LayoutPart((EditPart) children
- .get(i), _point);
- Target target = new Target(nextPart.getPart());
- if (_validator.isValidPosition(new DesignRefPosition(target
- .getPart(), false))) {
- result = getCloserPart(result, nextPart, _point);
- } else if (_validator.hasEditableArea(target)) {
- LayoutPart temp = getClosestChildPart(nextPart);
- if (temp == null) {
- temp = nextPart;
- }
- result = getCloserPart(result, temp, _point);
- }
- }
- }
- }
- return result;
- }
-
- /**
- * Use by vertical movement, we need to see whther the par
- *
- * @param closestPart
- * @param target
- * @return
- */
- LayoutPart resolveClosestPartFrom(LayoutPart closestPart) {
- Target target = new Target(closestPart.getPart());
- LayoutPart finalPart = null;
- if (EditModelQuery.isInline(Target.resolveNode(closestPart.getPart()))) {
-
- if (closestPart.isAfterPoint() || closestPart.isBeforePoint()) {
- finalPart = closestPart;
- } else {
- if (_validator.hasEditableArea(target)
- && (_validator instanceof IMovementMediator
- && ((IMovementMediator) _validator)
- .allowsMoveIn(target) || !(_validator instanceof IMovementMediator))) {
- finalPart = getClosestChildPartOrPart(closestPart);
- }
- }
- }
- // block
- else {
- if (closestPart.contains(_point)) {
- if (_validator.hasEditableArea(target) && //
- (_validator instanceof IMovementMediator
- && ((IMovementMediator) _validator)
- .allowsMoveIn(target) || !(_validator instanceof IMovementMediator))) {
- finalPart = getClosestChildPartOrPart(closestPart);
- }
- }
- // outside of bounds
- else {
- if (_validator.hasEditableArea(target)
- && !IHTMLConstants.TAG_TABLE.equalsIgnoreCase(target
- .getNode().getNodeName())
- && (_validator instanceof IMovementMediator
- && ((IMovementMediator) _validator)
- .allowsMoveIn(target) || !(_validator instanceof IMovementMediator))) {
- if (closestPart.atSameRow(_point)) {
- finalPart = getClosestChildPartOrPart(closestPart);
- } else if (!_validator
- .isValidPosition(new DesignRefPosition(target
- .getPart(), true))) {
- finalPart = getClosestChildPartOrPart(closestPart);
- }
- }
- }
- }
- if (finalPart == null && //
- (_validator.isValidPosition(new DesignRefPosition(target
- .getPart(), true)) || //
- _validator.isValidPosition(new DesignRefPosition(target
- .getPart(), false)))) {
- finalPart = closestPart;
- }
- return finalPart;
- }
-
- private LayoutPart getClosestChildPartOrPart(LayoutPart closestPart) {
- LayoutPart result = getClosestChildPart(closestPart);
- if (result != null) {
- result = resolveClosestPartFrom(result);
- } else {
- if (closestPart.getConcretePart() == null) {
- result = closestPart;
- }
- }
- return result;
- }
-
- /**
- * Get the distance from rect's edge to point.x.
- *
- * @param rect
- * @param point
- * @return the X distance
- */
- public static int getXDistance(Rectangle rect, Point point) {
- if (rect.getRight().x <= point.x) {
- return point.x - (rect.getRight().x);
- } else if (rect.x >= point.x) {
- return point.x - rect.x;
- } else if (rect.x <= point.x && point.x <= rect.getRight().x) {
- return 0;
- }
- return -1;
- }
-
- /**
- * from point to middle's distance. If the result is nagative, point is at
- * left part of rect, if it is positive, the point is at the right part.
- *
- * @param rect
- * @param point
- * @return the X distance
- */
- public static int toXMiddle(Rectangle rect, Point point) {
- return (point.x - (rect.x + rect.getRight().x) / 2);
- }
-
- /**
- * from point to middle's distance If the result is nagative, point is at
- * upper part of rect, if it is positive, the point is at the lower part.
- *
- * @param rect
- * @param point
- * @return the Y distance
- */
- public static int toYMiddle(Rectangle rect, Point point) {
- return (point.y - (rect.y + rect.getBottom().y) / 2);
- }
-
- /**
- * @param rect
- * @param point
- * @return the Y distance
- */
- public static int getYDistance(Rectangle rect, Point point) {
- if (rect.y + rect.height <= point.y) {
- return point.y - (rect.y + rect.height);
- } else if (rect.y >= point.y) {
- return point.y - rect.y;
- } else if (rect.y <= point.y && point.y <= rect.y + rect.height) {
- return 0;
- }
- return -1;
- }
-}

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