mpiwg_geobrowser: lib/GeoTemCo/js/LineOverlay/LineOverlayWidget.js annotate

annotate lib/GeoTemCo/js/LineOverlay/LineOverlayWidget.js @ 4:1b6cde0e4b83 default tip

merger

author	Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de>
date	Mon, 12 Oct 2015 08:38:25 +0200
parents	b57c7821382f
children

rev	line source
0 b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	1 /*
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	2 * LineOverlayWidget.js
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	3 *
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	4 * Copyright (c) 2013, Sebastian Kruse. All rights reserved.
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	5 *
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	6 * This library is free software; you can redistribute it and/or
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	7 * modify it under the terms of the GNU Lesser General Public
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	8 * License as published by the Free Software Foundation; either
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	9 * version 3 of the License, or (at your option) any later version.
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	10 *
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	11 * This library is distributed in the hope that it will be useful,
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	14 * Lesser General Public License for more details.
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	15 *
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	16 * You should have received a copy of the GNU Lesser General Public
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	17 * License along with this library; if not, write to the Free Software
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	19 * MA 02110-1301 USA
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	20 */
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	21
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	22 //calculate angle between line and x-axis
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	23 //credits: geometricnet (http://geometricnet.sourceforge.net/examples/directions.html)
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	24 bearing = function(x1,y1,x2,y2) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	25 b_x = 0;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	26 b_y = 1;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	27 a_x = x2 - x1;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	28 a_y = y2 - y1;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	29 angle_rad = Math.acos((a_xb_x+a_yb_y)/Math.sqrt(a_xa_x+a_ya_y)) ;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	30 angle = 360/(2Math.PI)angle_rad;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	31 if (a_x < 0) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	32 return 360 - angle;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	33 } else {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	34 return angle;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	35 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	36 };
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	37
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	38 /**
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	39 * @class LineOverlayWidget
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	40 * Implementation for the widget interactions of an overlay showing lines between points
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	41 * @author Sebastian Kruse (skruse@mpiwg-berlin.mpg.de)
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	42 *
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	43 * @param {WidgetWrapper} core wrapper for interaction to other widgets
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	44 * @param {JSON} options user specified configuration that overwrites options in OverlayloaderConfig.js
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	45 */
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	46 LineOverlayWidget = function (core, options) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	47
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	48 this.core = core;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	49 this.core.setWidget(this);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	50
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	51 this.options = (new LineOverlayConfig(options)).options;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	52
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	53 this.attachedMapWidgets = new Array();
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	54
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	55 this.lineOverlay = new LineOverlay(this);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	56 this.lines = [];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	57 this.multiLineFeature;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	58
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	59 this.selected = [];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	60 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	61
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	62 /**
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	63 * @param {Number} dataSet number of dataSet in dataSet array
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	64 * @param {Number} objectID number of DataObject in objects array
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	65 */
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	66
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	67 function Line(objectStart, objectEnd ) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	68 this.objectStart = objectStart;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	69 this.objectEnd = objectEnd;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	70 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	71
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	72 LineOverlayWidget.prototype = {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	73
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	74 initWidget : function() {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	75 var lineOverlayWidget = this;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	76 this.drawLines();
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	77 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	78
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	79 highlightChanged : function(objects) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	80 if( !GeoTemConfig.highlightEvents ){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	81 return;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	82 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	83 this.drawLines(GeoTemConfig.mergeObjects(objects,this.selected));
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	84 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	85
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	86 selectionChanged : function(selection) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	87 if( !GeoTemConfig.selectionEvents ){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	88 return;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	89 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	90 if (selection.valid())
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	91 this.selected = selection.objects;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	92 else
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	93 this.selected = [];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	94
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	95 this.drawLines(this.selected);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	96 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	97
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	98 triggerHighlight : function(item) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	99 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	100
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	101 tableSelection : function() {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	102 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	103
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	104 deselection : function() {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	105 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	106
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	107 filtering : function() {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	108 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	109
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	110 inverseFiltering : function() {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	111 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	112
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	113 triggerRefining : function() {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	114 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	115
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	116 reset : function() {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	117 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	118
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	119 //identical to the function in PieChartWidget
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	120 //here cause widgets may be used independed of each other
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	121 getElementData : function(dataObject, watchedColumn, selectionFunction) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	122 var columnData;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	123 if (watchedColumn.indexOf("[") === -1){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	124 columnData = dataObject[watchedColumn];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	125 if (typeof columnData === "undefined"){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	126 columnData = dataObject.tableContent[watchedColumn];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	127 };
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	128 } else {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	129 try {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	130 var columnName = watchedColumn.split("[")[0];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	131 var IndexAndAttribute = watchedColumn.split("[")[1];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	132 if (IndexAndAttribute.indexOf("]") != -1){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	133 var arrayIndex = IndexAndAttribute.split("]")[0];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	134 var attribute = IndexAndAttribute.split("]")[1];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	135
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	136 if (typeof attribute === "undefined")
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	137 columnData = dataObject[columnName][arrayIndex];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	138 else{
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	139 attribute = attribute.split(".")[1];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	140 columnData = dataObject[columnName][arrayIndex][attribute];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	141 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	142 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	143 } catch(e) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	144 if (typeof console !== undefined)
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	145 console.error(e);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	146
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	147 delete columnData;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	148 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	149 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	150
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	151 if ( (typeof columnData !== "undefined") && (typeof selectionFunction !== "undefined") )
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	152 columnData = selectionFunction(columnData);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	153
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	154 return(columnData);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	155 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	156
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	157 matchColumns : function(dataSet1, columnName1, dataSet2, columnName2) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	158 var lineOverlayWidget = this;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	159 lineOverlayWidget.lines;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	160 $(GeoTemConfig.datasets[dataSet1].objects).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	161 var object1 = this;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	162 var data1 = lineOverlayWidget.getElementData(object1, columnName1);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	163 //split because there could be multiple comma separated values
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	164 data1 = data1.split(",");
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	165
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	166 $(GeoTemConfig.datasets[dataSet2].objects).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	167 var object2 = this;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	168 //avoid reflexive and double entries
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	169 if ((columnName1 === columnName2)&&(dataSet1 === dataSet2)&&(object1.index<=object2.index))
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	170 return;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	171 var data2 = lineOverlayWidget.getElementData(object2, columnName2);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	172 //split because there could be multiple comma separated values
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	173 data2 = data2.split(",");
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	174
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	175 //check if at least one pair matches
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	176 for(var i = 0; i < data1.length; i++ ){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	177 var firstVal = data1[i];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	178 if (data2.indexOf(firstVal) !== -1){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	179 lineOverlayWidget.lines.push(new Line(object1, object2));
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	180 break;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	181 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	182 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	183 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	184 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	185 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	186
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	187 getXYofObject : function(cs,dataObject){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	188 //iterata over datasets
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	189 var x,y;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	190 var found = false;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	191 $(cs).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	192 //iterate over circles
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	193 $(this).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	194 var circle = this;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	195 //iterata over objects in this circle;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	196 var index = $.inArray(dataObject,circle.elements);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	197 if (index !== -1){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	198 x = circle.feature.geometry.x;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	199 y = circle.feature.geometry.y;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	200 found = true;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	201 return false;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	202 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	203 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	204 //break loop
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	205 if (found === true)
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	206 return false;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	207 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	208
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	209 return ({x:x,y:y});
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	210 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	211
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	212 /**
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	213 * @param {DataObjects[][]} objects set of objects to limit to
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	214 */
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	215 drawLines : function(objects) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	216 var flatObjects = [];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	217 if ( (typeof objects !== "undefined") &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	218 (objects instanceof Array) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	219 (objects.length > 0) ) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	220 $(objects).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	221 $.merge(flatObjects, this);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	222 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	223 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	224 var lineOverlayWidget = this;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	225
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	226 $(lineOverlayWidget.attachedMapWidgets).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	227 var mapWidget = this.mapWidget;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	228 var lineLayer = this.lineLayer;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	229
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	230 var map = mapWidget.openlayersMap;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	231 var cs = mapWidget.mds.getObjectsByZoom();
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	232
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	233 mapWidget.openlayersMap.setLayerIndex(lineLayer, 99);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	234
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	235 lineLayer.removeAllFeatures();
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	236
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	237 var lineElements = [];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	238
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	239 var checkIfLineInPreset = function(){return false;};
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	240 if (lineOverlayWidget.options.showLines === "inbound"){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	241 checkIfLineInPreset = function(objectStart,objectEnd,flatObjects){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	242 return ($.inArray(objectEnd, flatObjects) === -1);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	243 };
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	244 } else if (lineOverlayWidget.options.showLines === "outbound"){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	245 checkIfLineInPreset = function(objectStart,objectEnd,flatObjects){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	246 return ($.inArray(objectStart, flatObjects) === -1);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	247 };
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	248 } else /if (lineOverlayWidget.options.showLines === "both")/{
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	249 checkIfLineInPreset = function(objectStart,objectEnd,flatObjects){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	250 return ( ($.inArray(objectStart, flatObjects) === -1) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	251 ($.inArray(objectEnd, flatObjects) === -1) );
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	252 };
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	253 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	254
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	255 $(lineOverlayWidget.lines).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	256 var line = this;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	257
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	258 if ((lineOverlayWidget.options.onlyShowSelectedOrHighlighted === true) \|\| (flatObjects.length > 0)){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	259 //if objects are limited, check whether start or end are within
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	260 if (checkIfLineInPreset(line.objectStart, line.objectEnd, flatObjects))
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	261 return;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	262 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	263 //get XY-val of start Object
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	264 var xyStart = lineOverlayWidget.getXYofObject(cs, line.objectStart);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	265 //continue if no valid XY-coords where found
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	266 if ( (typeof xyStart.x === "undefined") && (typeof xyStart.y === "undefined") )
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	267 return;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	268 var xyEnd = lineOverlayWidget.getXYofObject(cs, line.objectEnd);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	269 //continue if no valid XY-coords where found
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	270 if ( (typeof xyEnd.x === "undefined") && (typeof xyEnd.y === "undefined") )
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	271 return;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	272
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	273 //do not draw 0-length lines (from same circle)
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	274 if ( (xyStart.x === xyEnd.x) && (xyStart.y === xyEnd.y) )
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	275 return;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	276
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	277 var points = new Array(
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	278 new OpenLayers.Geometry.Point(xyStart.x, xyStart.y),
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	279 new OpenLayers.Geometry.Point(xyEnd.x, xyEnd.y)
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	280 );
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	281
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	282 var line = new OpenLayers.Geometry.LineString(points);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	283
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	284 //Only draw each line once. Unfortunately this check is faster
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	285 //than drawing multiple lines.
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	286 var found = false;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	287 $(lineElements).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	288 var checkLine = this.line;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	289 if (( (checkLine.components[0].x === line.components[0].x) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	290 (checkLine.components[0].y === line.components[0].y) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	291 (checkLine.components[1].x === line.components[1].x) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	292 (checkLine.components[1].y === line.components[1].y) ) \|\|
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	293 // if lines are "directional" (arrows) the opposite one isn't the same anymore!
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	294 ( (lineOverlayWidget.options.showArrows === false) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	295 (checkLine.components[0].x === line.components[1].x) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	296 (checkLine.components[0].y === line.components[1].y) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	297 (checkLine.components[1].x === line.components[0].x) &&
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	298 (checkLine.components[1].y === line.components[0].y) ) ){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	299 found = true;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	300 //increase width of this line
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	301 this.width++;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	302 //and don't draw it again
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	303 return false;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	304 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	305 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	306
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	307 if (found === true)
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	308 return;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	309
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	310 lineElements.push({line:line,width:1});
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	311 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	312
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	313 $(lineElements).each(function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	314 var line = this.line;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	315 var width = this.width;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	316
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	317 if (lineOverlayWidget.options.showArrows === true){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	318 var xyStart = line.components[0];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	319 var xyEnd = line.components[1];
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	320 var arrowFeature = new OpenLayers.Feature.Vector(
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	321 new OpenLayers.Geometry.Point(xyEnd.x-((xyEnd.x-xyStart.x)0.03), xyEnd.y-((xyEnd.y-xyStart.y)0.03)),
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	322 {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	323 type: "triangle",
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	324 angle: bearing(xyStart.x,xyStart.y,xyEnd.x,xyEnd.y),
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	325 width: width+1
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	326 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	327 );
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	328 lineLayer.addFeatures(arrowFeature);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	329 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	330
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	331 var lineFeature = new OpenLayers.Feature.Vector(line,{width:width});
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	332 lineLayer.addFeatures(lineFeature);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	333 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	334 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	335 },
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	336
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	337 attachMapWidget : function(mapWidget) {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	338 var styles = new OpenLayers.StyleMap({
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	339 "default": {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	340 graphicName: "${type}",
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	341 rotation: "${angle}",
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	342 pointRadius: "${width}",
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	343 strokeColor: '#0000ff',
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	344 strokeOpacity: 0.5,
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	345 strokeWidth: "${width}",
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	346 fillOpacity: 1
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	347 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	348 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	349
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	350 var lineOverlayWidget = this;
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	351 var lineLayer = new OpenLayers.Layer.Vector("Line Layer", {
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	352 styleMap: styles,
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	353 isBaseLayer:false
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	354 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	355 mapWidget.openlayersMap.addLayer(lineLayer);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	356 mapWidget.openlayersMap.setLayerIndex(lineLayer, 99);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	357 this.attachedMapWidgets.push({mapWidget:mapWidget,lineLayer:lineLayer});
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	358 //register zoom event
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	359 mapWidget.openlayersMap.events.register("zoomend", lineOverlayWidget, function(){
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	360 this.drawLines(this.selected);
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	361 });
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	362 }
b57c7821382f initial Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de> parents: diff changeset	363 };