Add geom/multilinestring classes and tests.

src/api/geom/multilinestring.js

@@ -0,0 +1,138 @@
+goog.provide('ol.geom.multilinestring');
+
+goog.require('ol.geom.MultiLineString');
+goog.require('ol.geom.point');
+goog.require('ol.geom.collection');
+goog.require('ol.projection');
+
+/**
+ * @export
+ * @param {Array.<ol.LineStringLike>} opt_arg Point.
+ * @return {ol.geom.MultiLineString} MultiLineString.
+ */
+ol.geom.multilinestring = function(opt_arg){
+
+    if (opt_arg instanceof ol.geom.MultiLineString) {
+        return opt_arg;
+    }
+
+    var ls = [];
+    if (arguments.length == 1 && goog.isDef(opt_arg)) {
+        if (goog.isArray(opt_arg)) {
+            var allValid = goog.array.every(opt_arg, function(spec){
+                var l = ol.geom.linestring(spec);
+                if (l instanceof ol.geom.LineString) {
+                    ls.push(l);
+                    return true;
+                } else {
+                    return false;
+                }
+            });
+            if (!allValid) {
+                var msg = 'ol.geom.linestring: at least one linestring '
+                    + 'definition was erroneous.';
+                throw new Error(msg);
+            }
+        } else {
+            throw new Error('ol.geom.multilinestring');
+        }
+    }
+
+    var mls = new ol.geom.MultiLineString(ls);
+    return mls;
+};
+goog.inherits(ol.geom.multilinestring, ol.geom.collection);
+
+/**
+ * @export
+ * @param {Array.<ol.LineStringLike>=} opt_arg An array of point specifications.
+ * @return {Array.<ol.geom.LineString>|ol.geom.MultiLineString|undefined} Result.
+ */
+ol.geom.MultiLineString.prototype.linestrings = function(opt_arg){
+    if (arguments.length == 1 && goog.isDef(opt_arg)) {
+        var ls = [],
+            allValid = false;
+        allValid = goog.array.every(opt_arg, function(spec){
+            var l = ol.geom.linestring(spec);
+            if (l instanceof ol.geom.LineString) {
+                ls.push(l);
+                return true;
+            } else {
+                return false;
+            }
+        });
+        if (!allValid) {
+            ls = [];
+        }
+        this.setComponents(ls);
+        return this;
+    }
+    else {
+        return this.getComponents();
+    }
+};
+
+/**
+ * @export
+ * @param {ol.LineStringLike} line A linestring specification.
+ * @param {number=} opt_index An optional index to add the point(s) at. If not
+ *     provided, the point(s) will be added to the end of the list of points.
+ * @return {ol.geom.MultiLineString} The MultiPoint instance.
+ */
+ol.geom.MultiLineString.prototype.add = function(line, opt_index){
+    var index = this.getLineStrings().length,
+        l = ol.geom.linestring(line);
+    if (arguments.length == 2 && goog.isDef(opt_index)) {
+        index = opt_index;
+    }
+    this.addLineString(l, index);
+    return this;
+};
+
+/**
+ * @export
+ * @param {Array.<ol.LineStringLike>} lines Some linestring specifications.
+ * @param {number=} opt_index An optional index to add the points at. If not
+ *     provided, the linestrings will be added to the end of the list of 
+ *     linestrings.
+ * @return {ol.geom.MultiLineString} The MultiLineString instance.
+ */
+ol.geom.MultiLineString.prototype.addAll = function(lines, opt_index){
+    var index = this.getLineStrings().length,
+        l;
+
+    if (arguments.length == 2 && goog.isDef(opt_index)) {
+        index = opt_index;
+    }
+
+    goog.array.every(lines, function(pointSpec){
+        l = ol.geom.linestring(pointSpec);
+        this.addLineString(l, index);
+        index++;
+        return true;
+    }, this);
+
+    return this;
+};
+
+/**
+ * @export
+ * @param {(ol.geom.LineString|Array.<ol.geom.LineString>)} lines A linestring
+ *     specification or an array of linestring specifications.
+ * @return {ol.geom.MultiLineString} The MultiLineString instance.
+ */
+ol.geom.MultiLineString.prototype.remove = function(lines){
+    var lineArr = [];
+    if (!goog.isArray(lines)) {
+        lineArr.push(lines);
+    } else {
+        lineArr = lines;
+    }
+
+    goog.array.every(lineArr, function(l){
+        this.removeLineString(l);
+        return true;
+    }, this);
+
+    return this;
+};