wisemapping-open-source/mindplot/src/main/javascript/util/Shape.js

/*
 *    Copyright [2011] [wisemapping]
 *
 *   Licensed under WiseMapping Public License, Version 1.0 (the "License").
 *   It is basically the Apache License, Version 2.0 (the "License") plus the
 *   "powered by wisemapping" text requirement on every single page;
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the license at
 *
 *       http://www.wisemapping.org/license
 *
 *   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.
 */

mindplot.util.Shape =
{
    isAtRight: function(sourcePoint, targetPoint) {
        $assert(sourcePoint, "Source can not be null");
        $assert(targetPoint, "Target can not be null");
        return sourcePoint.x < targetPoint.x;
    },

    calculateRectConnectionPoint: function(rectCenterPoint, rectSize, isAtRight) {
        $assert(rectCenterPoint, 'rectCenterPoint can  not be null');
        $assert(rectSize, 'rectSize can  not be null');
        $assert($defined(isAtRight), 'isRight can  not be null');

        // Node is placed at the right ?
        var result = new core.Point();

        // This is used fix a minor difference ...z
        var correctionHardcode = 2;
        if (isAtRight) {
            result.setValue(rectCenterPoint.x - (rectSize.width / 2) + correctionHardcode, rectCenterPoint.y);
        } else {
            result.setValue(parseFloat(rectCenterPoint.x) + (rectSize.width / 2) - correctionHardcode, rectCenterPoint.y);
        }

        return result;
    }
};