Remove trunk directory
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Paulo Gustavo Veiga
296
mindplot/src/main/javascript/VariableDistanceBoard.js
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296
mindplot/src/main/javascript/VariableDistanceBoard.js
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Id: file 64488 2006-03-10 17:32:09Z paulo $
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*/
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mindplot.VariableDistanceBoard = function(defaultHeight, referencePoint)
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{
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mindplot.VariableDistanceBoard.superClass.initialize.call(this, defaultHeight, referencePoint);
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var zeroEntryCoordinate = referencePoint.y;
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var entry = this.createBoardEntry(zeroEntryCoordinate - (defaultHeight / 2), zeroEntryCoordinate + (defaultHeight / 2), 0);
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this._entries.set(0, entry);
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};
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objects.extend(mindplot.VariableDistanceBoard, mindplot.Board);
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mindplot.VariableDistanceBoard.prototype.lookupEntryByOrder = function(order)
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{
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var entries = this._entries;
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var index = this._orderToIndex(order);
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var result = entries.get(index);
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if (!result)
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{
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// I've not found a entry. I have to create a new one.
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var i = 1;
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var zeroEntry = entries.get(0);
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var distance = zeroEntry.getWidth() / 2;
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var indexSign = Math.sign(index);
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var absIndex = Math.abs(index);
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while (i < absIndex)
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{
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// Move to the next entry ...
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var width;
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var entry = entries.get(i, indexSign);
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if (entry != null)
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{
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distance += entry.getWidth();
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} else
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{
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distance += this._defaultWidth;
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}
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i++;
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}
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// Caculate limits ...
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var upperLimit = -1;
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var lowerLimit = -1;
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var offset = zeroEntry.workoutEntryYCenter();
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if (index >= 0)
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{
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lowerLimit = offset + distance;
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upperLimit = lowerLimit + this._defaultWidth;
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} else
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{
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upperLimit = offset - distance;
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lowerLimit = upperLimit - this._defaultWidth;
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}
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result = this.createBoardEntry(lowerLimit, upperLimit, order);
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}
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return result;
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};
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mindplot.VariableDistanceBoard.prototype.createBoardEntry = function(lowerLimit, upperLimit, order)
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{
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return new mindplot.BoardEntry(lowerLimit, upperLimit, order);
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};
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mindplot.VariableDistanceBoard.prototype.updateReferencePoint = function(position)
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{
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var entries = this._entries;
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var referencePoint = this._referencePoint;
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// Update zero entry current position.
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this._referencePoint = position.clone();
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var yOffset = position.y - referencePoint.y;
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var i = -entries.lowerLength();
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for (; i <= entries.length(1); i++)
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{
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var entry = entries.get(i);
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if (entry != null)
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{
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var upperLimit = entry.getUpperLimit() + yOffset;
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var lowerLimit = entry.getLowerLimit() + yOffset;
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entry.setUpperLimit(upperLimit);
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entry.setLowerLimit(lowerLimit);
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// Update topic position ...
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if (!entry.isAvailable())
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{
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var topic = entry.getTopic();
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var topicPosition = topic.getPosition();
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topicPosition.y = topicPosition.y + yOffset;
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// MainTopicToCentral must be positioned based on the referencePoint.
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var xOffset = position.x - referencePoint.x;
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topicPosition.x = topicPosition.x + xOffset;
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topic.setPosition(topicPosition);
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}
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}
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}
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};
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mindplot.VariableDistanceBoard.prototype.lookupEntryByPosition = function(pos)
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{
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core.assert(core.Utils.isDefined(pos), 'position can not be null');
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var entries = this._entries;
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var zeroEntry = entries.get(0);
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if (zeroEntry.isCoordinateIn(pos.y))
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{
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return zeroEntry;
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}
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// Is Upper or lower ?
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var sign = -1;
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if (pos.y >= zeroEntry.getUpperLimit())
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{
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sign = 1;
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}
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var i = 1;
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var tempEntry = this.createBoardEntry();
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var currentEntry = zeroEntry;
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while (true)
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{
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// Move to the next entry ...
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var index = i * sign;
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var entry = entries.get(index);
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if (entry)
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{
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currentEntry = entry;
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} else
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{
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// Calculate boundaries...
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var lowerLimit, upperLimit;
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if (sign > 0)
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{
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lowerLimit = currentEntry.getUpperLimit();
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upperLimit = lowerLimit + this._defaultWidth;
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}
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else
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{
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upperLimit = currentEntry.getLowerLimit();
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lowerLimit = upperLimit - this._defaultWidth;
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}
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// Update current entry.
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currentEntry = tempEntry;
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currentEntry.setLowerLimit(lowerLimit);
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currentEntry.setUpperLimit(upperLimit);
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var order = this._indexToOrder(index);
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currentEntry.setOrder(order);
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}
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// Have I found the item?
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if (currentEntry.isCoordinateIn(pos.y))
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{
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break;
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}
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i++;
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}
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return currentEntry;
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};
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mindplot.VariableDistanceBoard.prototype.update = function(entry)
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{
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core.assert(entry, 'Entry can not be null');
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var order = entry.getOrder();
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var index = this._orderToIndex(order);
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this._entries.set(index, entry);
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};
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mindplot.VariableDistanceBoard.prototype.getLastNoAvailalbleEntry = function()
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{
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var entries = this._entries;
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var lowerLength = entries.lowerLength();
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var upperLength = entries.upperLength();
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var result = null;
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var i = -lowerLength;
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while (i <= upperLength)
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{
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var entry = entries.get(i);
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if (entry && !entry.isAvailable())
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{
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result = entry;
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break;
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}
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i++;
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}
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return result;
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};
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mindplot.VariableDistanceBoard.prototype.getFirstNoAvailableEntry = function()
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{
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var entries = this._entries;
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var lowerLength = -entries.lowerLength();
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var upperLength = entries.upperLength();
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var result = null;
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var i = upperLength;
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while (i >= lowerLength)
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{
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var entry = entries.get(i);
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if (entry && !entry.isAvailable())
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{
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result = entry;
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break;
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}
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i--;
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}
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return result;
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};
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mindplot.VariableDistanceBoard.prototype.freeEntry = function(entry)
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{
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var order = entry.getOrder();
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var entries = this._entries;
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var index = this._orderToIndex(order);
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var indexSign = Math.sign(index);
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var lenght = entries.length(index);
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var currentTopic = entry.getTopic();
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var i = Math.abs(index) + 1;
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while (currentTopic)
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{
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var e = entries.get(i, indexSign);
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if (currentTopic && !e)
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{
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var entryOrder = this._indexToOrder(i * indexSign);
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e = this.lookupEntryByOrder(entryOrder);
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}
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// Move the topic to the next entry ...
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var topic = null;
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if (e)
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{
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topic = e.getTopic();
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if (currentTopic)
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{
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e.setTopic(currentTopic);
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}
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this.update(e);
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}
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currentTopic = topic;
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i++;
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}
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// Clear the entry topic ...
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entry.setTopic(null);
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};
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mindplot.VariableDistanceBoard.prototype._orderToIndex = function(order)
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{
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var index = Math.round(order / 2);
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return ((order % 2) == 0) ? index : -index;
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};
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mindplot.VariableDistanceBoard.prototype._indexToOrder = function(index)
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{
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var order = Math.abs(index) * 2;
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return (index >= 0)? order: order - 1;
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};
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mindplot.VariableDistanceBoard.prototype.inspect = function()
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{
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return this._entries.inspect();
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};
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