wisemapping-open-source/web2d/src/main/javascript/PolyLine.js
2011-01-23 21:03:40 -03:00

89 lines
2.6 KiB
JavaScript

/*
* 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.
*/
web2d.PolyLine = function(attributes)
{
var peer = web2d.peer.Toolkit.createPolyLine();
var defaultAttributes = {strokeColor:'blue',strokeWidth:1,strokeStyle:'solid',strokeOpacity:1};
for (var key in attributes)
{
defaultAttributes[key] = attributes[key];
}
web2d.Element.call(this, peer, defaultAttributes);
};
objects.extend(web2d.PolyLine, web2d.Element);
web2d.PolyLine.prototype.getType = function()
{
return "PolyLine";
};
web2d.PolyLine.prototype.setFrom = function(x, y)
{
this._peer.setFrom(x, y);
};
web2d.PolyLine.prototype.setTo = function(x, y)
{
this._peer.setTo(x, y);
};
web2d.PolyLine.prototype.setStyle = function(style)
{
this._peer.setStyle(style);
};
web2d.PolyLine.prototype.getStyle = function()
{
return this._peer.getStyle();
};
web2d.PolyLine.buildCurvedPath = function(dist, x1, y1, x2, y2)
{
var signx = 1;
var signy = 1;
if (x2 < x1)
{
signx = -1;
}
if (y2 < y1)
{
signy = -1;
}
var path;
if (Math.abs(y1 - y2) > 2)
{
var middlex = x1 + ((x2 - x1 > 0) ? dist : -dist);
path = x1.toFixed(1) + ", " + y1.toFixed(1) + " " + middlex.toFixed(1) + ", " + y1.toFixed(1) + " " + middlex.toFixed(1) + ", " + (y2 - 5 * signy).toFixed(1) + " " + (middlex + 5 * signx).toFixed(1) + ", " + y2.toFixed(1) + " " + x2.toFixed(1) + ", " + y2.toFixed(1);
} else
{
path = x1.toFixed(1) + ", " + y1.toFixed(1) + " " + x2.toFixed(1) + ", " + y2.toFixed(1);
}
return path;
};
web2d.PolyLine.buildStraightPath = function(dist, x1, y1, x2, y2)
{
var middlex = x1 + ((x2 - x1 > 0) ? dist : -dist);
return x1 + ", " + y1 + " " + middlex + ", " + y1 + " " + middlex + ", " + y2 + " " + x2 + ", " + y2;
};