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120 lines
3.5 KiB
JavaScript
120 lines
3.5 KiB
JavaScript
/* Copyright (c) 2017 Jean-Marc VIGLINO,
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released under the CeCILL-B license (French BSD license)
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(http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt).
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*/
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import ol from 'ol'
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import ol_control_Control from 'ol/control/control'
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/** Control overlay for OL3
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* The overlay control is a control that display an overlay over the map
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*
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* @constructor
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* @extends {ol_control_Control}
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* @fire change:visible
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* @param {Object=} options Control options.
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* - className {String} class of the control
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* - hideOnClick {bool} hide the control on click, default false
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* - closeBox {bool} add a closeBox to the control, default false
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*/
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var ol_control_Overlay = function(options)
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{ if (!options) options={};
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var element = $("<div>").addClass('ol-unselectable ol-overlay');
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if (options.className) element.addClass(options.className);
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ol_control_Control.call(this,
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{ element: element.get(0),
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target: options.target
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});
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var self = this;
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if (options.hideOnClick) element.click(function(){self.hide();});
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this.set("closeBox", options.closeBox);
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this._timeout = false;
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this.setContent (options.content);
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};
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ol.inherits(ol_control_Overlay, ol_control_Control);
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/** Set the content of the overlay
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* @param {string} html the html to display in the control (or a jQuery object)
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*/
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ol_control_Overlay.prototype.setContent = function (html)
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{ var self = this;
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if (html)
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{ var elt = $(this.element);
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elt.html(html);
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if (this.get("closeBox"))
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{ var cb = $("<div>").addClass("ol-closebox")
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.click(function(){self.hide();});
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elt.prepend(cb);
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}
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};
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};
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/** Set the control visibility
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* @param {string} html the html to display in the control (or a jQuery object)
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* @param {ol.coordinate} coord coordinate of the top left corner of the control to start from
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*/
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ol_control_Overlay.prototype.show = function (html, coord)
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{ var self = this;
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var elt = $(this.element).show();
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if (coord)
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{ this.center_ = this.getMap().getPixelFromCoordinate(coord);
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elt.css({"top":this.center_[1], "left":this.center_[0] });
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}
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else
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{
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//TODO: Do fix from hkollmann pull request
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this.center_ = false;
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elt.css({"top":"", "left":"" });
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}
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this.setContent(html);
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if (this._timeout) clearTimeout(this._timeout);
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this._timeout = setTimeout(function()
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{ elt.addClass("ol-visible")
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.css({ "top":"", "left":"" });
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self.dispatchEvent({ type:'change:visible', visible:true, element: self.element });
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}, 10);
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self.dispatchEvent({ type:'change:visible', visible:false, element: self.element });
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};
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/** Set the control visibility hidden
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*/
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ol_control_Overlay.prototype.hide = function ()
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{ var elt = $(this.element).removeClass("ol-visible");
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if (this.center_)
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{ elt.css({"top":this.center_[1], "left":this.center_[0] })
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this.center_ = false;
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}
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if (this._timeout) clearTimeout(this._timeout);
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this._timeout = setTimeout(function(){ elt.hide(); }, 500);
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this.dispatchEvent({ type:'change:visible', visible:false, element: this.element });
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};
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/** Toggle control visibility
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*/
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ol_control_Overlay.prototype.toggle = function ()
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{ if (this.getVisible()) this.hide();
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else this.show();
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}
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/** Get the control visibility
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* @return {boolean} b
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*/
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ol_control_Overlay.prototype.getVisible = function ()
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{ return ($(this.element).css('display') != 'none');
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};
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/** Change class name
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* @param {String} className
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*/
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ol_control_Overlay.prototype.setClass = function (className)
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{ var vis = $(this.element).hasClass("ol-visible");
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$(this.element).removeClass().addClass('ol-unselectable ol-overlay'+(vis?" ol-visible ":" ")+className);
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};
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export default ol_control_Overlay
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