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/**
* Created by gavorhes on 12/16/2015.
*/
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var provide_1 = require("../util/provide");
var makeGuid_1 = require("../util/makeGuid");
var mapMove_1 = require("../olHelpers/mapMove");
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var LayerGroup = (function () {
/**
*
* @param {object} [groupConfig={}] - group configuration object
* @param {string} groupConfig.groupName - the group name
* @param {boolean} [groupConfig.collapse=false] - if the group should be collapsed initially
* @param {boolean} [groupConfig.addCheck=true] - if the group should have a checkbox controlling visibility of all layers
* @param {LayerGroup} [parent=undefined] - the parent group
*/
function LayerGroup(groupConfig, parent) {
this.groupLayers = [];
this.groupLayersLookup = {};
this.groupGroups = [];
this.groupGroupsLookup = {};
this.itemIdArray = [];
if (typeof groupConfig == 'undefined') {
this.parent = null;
this.groupId = 'root';
this.groupName = 'root';
this.allGroupLookup = { root: this };
this.allGroupArray = [this];
this.allLayerArray = [];
this.allLayerLookup = {};
this.layerParentLookup = {};
this.collapse = false;
this.addCheck = false;
}
else {
this.groupId = makeGuid_1.default();
this.parent = parent;
this.groupName = groupConfig.groupName;
this.collapse = typeof groupConfig.collapse == 'boolean' ? groupConfig.collapse : false;
this.addCheck = typeof groupConfig.addCheck == 'boolean' ? groupConfig.addCheck : true;
}
}
/**
*
* @param {object} groupConfig - configuration object
* @param {string} groupConfig.groupName - the group name
* @param {boolean} groupConfig.collapse if the group should be collapsed initially
* @param {boolean} groupConfig.addCheck if the group should have a checkbox controlling visibility of all layers
* @param {Array<LayerGroup>} parents parent groups
* @returns {LayerGroup} the layer group just added
*/
LayerGroup.prototype.addGroup = function (groupConfig, parents) {
var parent;
if (parents.length > 0) {
parent = parents[parents.length - 1];
}
else {
parent = 'root';
}
/**
* @type {LayerGroup}
*/
var parentGroup = this.allGroupLookup[parent];
var newGroup = new LayerGroup(groupConfig, parentGroup);
this.allGroupLookup[newGroup.groupId] = newGroup;
this.allGroupArray.push(newGroup);
parentGroup.groupGroups.push(newGroup);
parentGroup.groupGroupsLookup[newGroup.groupId] = newGroup;
if (parentGroup.itemIdArray.indexOf(newGroup.groupId) > 0) {
console.log(newGroup.groupId);
throw 'layer and group ids must be unique';
}
parentGroup.itemIdArray.push(newGroup.groupId);
return newGroup;
};
/**
*
* @param {LayerBase} newLayer the layer to be added
* @param {Array} parents array
*/
LayerGroup.prototype.addLegendLayer = function (newLayer, parents) {
var parent;
if (parents.length > 0) {
parent = parents[parents.length - 1];
}
else {
parent = 'root';
}
this.allLayerLookup[newLayer.id] = newLayer;
this.allLayerArray.push(newLayer);
/**
* @type {LayerGroup}
*/
var parentGroup = this.allGroupLookup[parent];
parentGroup.groupLayers.push(newLayer);
parentGroup.groupLayersLookup[newLayer.id] = newLayer;
if (parentGroup.itemIdArray.indexOf(newLayer.id) > 0) {
console.log(newLayer.id);
throw 'layer and group ids must be unique';
}
parentGroup.itemIdArray.push(newLayer.id);
this.layerParentLookup[newLayer.id] = parentGroup;
};
LayerGroup.prototype.getLegendHtml = function (legendId, options) {
var legendHtml = "<ul id=\"" + legendId + "\" class=\"legend-container\">";
legendHtml += "<li>" + options.legendTitle + "<input type=\"checkbox\" checked id=\"suppress-by-extent-" + legendId + "\" class=\"suppress-by-extent\">" +
("<label title=\"Suppress layers not visible at this zoom level\" for=\"suppress-by-extent-" + legendId + "\">") +
"<span></span>" +
"</label></li>";
legendHtml += this._buildLegend(this.itemIdArray, this, options.layerDivClasses) + '</ul>';
return legendHtml;
};
/**
* @param {Array} itemIds the items to process
* @param {LayerGroup} theGroup new group
* @param {Array} [layerDivClasses=[]] optional classes to apply to the layer divs
* @static
* @returns {string} html string
*/
LayerGroup.prototype._buildLegend = function (itemIds, theGroup, layerDivClasses) {
if (itemIds.length == 0) {
return '';
}
var theHml = '';
var itemId = itemIds[0];
if (theGroup.groupLayersLookup[itemId]) {
/**
* @type {LayerBase}
*/
var lyr = theGroup.groupLayersLookup[itemId];
theHml += "<li id=\"" + lyr.id + "-layer-li\" class=\"legend-layer-li " + layerDivClasses.join(' ') + "\">" + lyr.getLegendDiv() + '</li>';
}
else if (theGroup.groupGroupsLookup[itemId]) {
/**
* type {LayerGroup}
*/
var otherGroup = theGroup.groupGroupsLookup[itemId];
theHml += "<li>";
theHml += "<div id=\"" + otherGroup.groupId + "-legend-layer-div\" " +
("class=\"legend-layer-group " + layerDivClasses.join(' ') + "\">");
if (otherGroup.addCheck) {
theHml += "<input type=\"checkbox\" checked id=\"" + otherGroup.groupId + "-group-chck\">" +
("<label for=\"" + otherGroup.groupId + "-group-chck\" title=\"Click arrow to expand or collapse\">" + otherGroup.groupName + "</label>");
}
else {
theHml += "<label title=\"Click arrow to expand or collapse\">" + otherGroup.groupName + "</label>";
}
theHml += "<span title=\"Expand/Collapse\" class=\"layer-group-expander";
theHml += (otherGroup.collapse ? ' legend-layer-group-initial-collapse' : '') + "\">";
theHml += otherGroup.collapse ? '▶' : '▼';
theHml += '</span>';
//parents.push(groupId);
theHml += '<ul>' + this._buildLegend(otherGroup.itemIdArray, otherGroup, layerDivClasses) + '</ul>';
theHml += '</div>';
theHml += '</li>';
}
return theHml + this._buildLegend(itemIds.slice(1), theGroup, layerDivClasses);
};
return LayerGroup;
}());
/**
* a wrapper to make a legend
*/
var LayerLegend = (function () {
*
* @param {Array} legendItems array of layers or objects with {groupName: {string}, collapse: {boolean}, addCheck: {boolean}, items: {Array}}
* @param {string} divId the div where the legend should be added
* @param {object} options for legend
* @param {Array} [options.layerDivClasses=[]] optional array of classes to be applied to the layer legend divs for custom styling
* @param {string} [options.legendTitle=Legend] the legend title
* @param {boolean} [options.scaleDependent=true] if legend display is scale dependent
*/
function LayerLegend(legendItems, divId, options) {
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for (var _i = 0, legendItems_1 = legendItems; _i < legendItems_1.length; _i++) {
var i = legendItems_1[_i];
if (typeof i == 'undefined') {
throw 'undefined item passed in array to legend constructor';
}
}
options.legendTitle = typeof options.legendTitle == 'string' ? options.legendTitle : 'Legend';
options.scaleDependent = typeof options.scaleDependent == 'boolean' ? options.scaleDependent : true;
options.layerDivClasses = options.layerDivClasses || [];
// if legend display is scale dependent, make sure the mapMove object is initialized first
if (options.scaleDependent) {
mapMove_1.default.checkInit();
}
this.$divElement = $('#' + divId);
this._legendItems = legendItems;
this.layerGroup = new LayerGroup();
this._buildTree(legendItems);
this.legendId = makeGuid_1.default();
this.$divElement.append(this.layerGroup.getLegendHtml(this.legendId, options));
for (var _a = 0, _b = this.layerGroup.allLayerArray; _a < _b.length; _a++) {
var l = _b[_a];
l.applyCollapse();
}
var _this = this;
//// if legend display is scale dependent, make sure the mapMove object is initialized first
if (options.scaleDependent) {
mapMove_1.default.checkInit();
mapMove_1.default.addCallback(function (ext, zoom, evt) {
if (typeof evt == 'undefined' || evt == 'change:resolution') {
for (var _i = 0, _a = this.layerGroup.allLayerArray; _i < _a.length; _i++) {
var lyr = _a[_i];
var $lyrLi = $('#' + lyr.id + '-layer-li');
if (zoom > lyr.maxZoom || zoom < lyr.minZoom) {
$lyrLi.addClass('layer-not-visible');
}
else {
$lyrLi.removeClass('layer-not-visible');
}
}
}
}, this, 100, true, 'legend1');
}
// <editor-fold desc="add event listeners">
this.$divElement.find(".suppress-by-extent").change(function () {
var legendLayerLis = $('.legend-layer-li');
if (this.checked) {
legendLayerLis.removeClass('layer-force-show');
}
else {
legendLayerLis.addClass('layer-force-show');
}
});
this.$divElement.find('.legend-check').change(function () {
var lyrId = this.id.replace('-legend-layer-check', '');
_this.layerGroup.allLayerLookup[lyrId].visible = this.checked;
});
this.$divElement.find('.legend-layer-group > input[type=checkbox]').change(function () {
$(this).siblings('ul').find('input[type=checkbox]').prop('checked', this.checked).trigger('change');
});
this.$divElement.find('.layer-group-expander').click(function () {
var $this = $(this);
$this.removeClass('legend-layer-group-initial-collapse');
$this.siblings('ul').slideToggle();
if ($this.hasClass('legend-layer-group-collapsed')) {
$this.removeClass('legend-layer-group-collapsed');
$this.html('▼');
}
else {
$this.addClass('legend-layer-group-collapsed');
$this.html('▶');
}
});
this.$divElement.find('.legend-layer-group-initial-collapse').trigger('click');
// </editor-fold>
}
/**
* @param {Array} [legendItems=this._layerConfig] the legend items
* @param {Array} [parents=[]] the ordered list of groups in which this item is a member
* @private
*/
LayerLegend.prototype._buildTree = function (legendItems, parents) {
if (legendItems.length == 0) {
return;
}
var oneItem = legendItems[0];
//reset the parent if the item is in the base array
if (this._legendItems.indexOf(oneItem) > -1 || typeof parents == 'undefined') {
parents = [];
}
if (typeof oneItem.groupName !== 'undefined') {
var groupItem = legendItems[0];
var newGroup = this.layerGroup.addGroup(groupItem, parents);
parents.push(newGroup.groupId);
this._buildTree(oneItem.items, parents);
}
else {
/**
* @type {LayerBase}
*/
var layerItem = legendItems[0];
this.layerGroup.addLegendLayer(layerItem, parents);
}
this._buildTree(legendItems.slice(1), parents);
};
return LayerLegend;
}());
nm.LayerLegend = LayerLegend;
exports.default = LayerLegend;