Build and parse examples from examples_src/
This commit is contained in:
Andreas Hocevar
@@ -1,238 +0,0 @@
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goog.require('ol.Feature');
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goog.require('ol.Map');
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goog.require('ol.View');
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goog.require('ol.layer.Tile');
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goog.require('ol.layer.Vector');
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goog.require('ol.source.GeoJSON');
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goog.require('ol.source.MapQuest');
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goog.require('ol.style.Circle');
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goog.require('ol.style.Fill');
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goog.require('ol.style.Stroke');
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goog.require('ol.style.Style');
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goog.require('ol.style.Text');
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var myDom = {
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points: {
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text: document.getElementById('points-text'),
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align: document.getElementById('points-align'),
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baseline: document.getElementById('points-baseline'),
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rotation: document.getElementById('points-rotation'),
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font: document.getElementById('points-font'),
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weight: document.getElementById('points-weight'),
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size: document.getElementById('points-size'),
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offsetX: document.getElementById('points-offset-x'),
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offsetY: document.getElementById('points-offset-y'),
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color: document.getElementById('points-color'),
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outline: document.getElementById('points-outline'),
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outlineWidth: document.getElementById('points-outline-width'),
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maxreso: document.getElementById('points-maxreso')
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},
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lines: {
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text: document.getElementById('lines-text'),
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align: document.getElementById('lines-align'),
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baseline: document.getElementById('lines-baseline'),
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rotation: document.getElementById('lines-rotation'),
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font: document.getElementById('lines-font'),
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weight: document.getElementById('lines-weight'),
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size: document.getElementById('lines-size'),
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offsetX: document.getElementById('lines-offset-x'),
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offsetY: document.getElementById('lines-offset-y'),
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color: document.getElementById('lines-color'),
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outline: document.getElementById('lines-outline'),
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outlineWidth: document.getElementById('lines-outline-width'),
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maxreso: document.getElementById('lines-maxreso')
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},
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polygons: {
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text: document.getElementById('polygons-text'),
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align: document.getElementById('polygons-align'),
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baseline: document.getElementById('polygons-baseline'),
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rotation: document.getElementById('polygons-rotation'),
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font: document.getElementById('polygons-font'),
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weight: document.getElementById('polygons-weight'),
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size: document.getElementById('polygons-size'),
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offsetX: document.getElementById('polygons-offset-x'),
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offsetY: document.getElementById('polygons-offset-y'),
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color: document.getElementById('polygons-color'),
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outline: document.getElementById('polygons-outline'),
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outlineWidth: document.getElementById('polygons-outline-width'),
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maxreso: document.getElementById('polygons-maxreso')
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}
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};
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var getText = function(feature, resolution, dom) {
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var type = dom.text.value;
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var maxResolution = dom.maxreso.value;
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var text = feature.get('name');
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if (resolution > maxResolution) {
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text = '';
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} else if (type == 'hide') {
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text = '';
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} else if (type == 'shorten') {
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text = text.trunc(12);
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} else if (type == 'wrap') {
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text = stringDivider(text, 16, '\n');
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}
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return text;
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};
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var createTextStyle = function(feature, resolution, dom) {
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var align = dom.align.value;
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var baseline = dom.baseline.value;
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var size = dom.size.value;
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var offsetX = parseInt(dom.offsetX.value, 10);
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var offsetY = parseInt(dom.offsetY.value, 10);
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var weight = dom.weight.value;
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var rotation = parseFloat(dom.rotation.value);
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var font = weight + ' ' + size + ' ' + dom.font.value;
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var fillColor = dom.color.value;
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var outlineColor = dom.outline.value;
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var outlineWidth = parseInt(dom.outlineWidth.value, 10);
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return new ol.style.Text({
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textAlign: align,
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textBaseline: baseline,
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font: font,
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text: getText(feature, resolution, dom),
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fill: new ol.style.Fill({color: fillColor}),
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stroke: new ol.style.Stroke({color: outlineColor, width: outlineWidth}),
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offsetX: offsetX,
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offsetY: offsetY,
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rotation: rotation
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});
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};
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// Polygons
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var createPolygonStyleFunction = function() {
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return function(feature, resolution) {
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var style = new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'blue',
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width: 1
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}),
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fill: new ol.style.Fill({
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color: 'rgba(0, 0, 255, 0.1)'
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}),
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text: createTextStyle(feature, resolution, myDom.polygons)
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});
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return [style];
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};
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};
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var vectorPolygons = new ol.layer.Vector({
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source: new ol.source.GeoJSON({
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projection: 'EPSG:3857',
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url: 'data/geojson/polygon-samples.geojson'
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}),
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style: createPolygonStyleFunction()
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});
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// Lines
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var createLineStyleFunction = function() {
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return function(feature, resolution) {
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var style = new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'green',
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width: 2
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}),
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text: createTextStyle(feature, resolution, myDom.lines)
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});
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return [style];
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};
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};
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var vectorLines = new ol.layer.Vector({
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source: new ol.source.GeoJSON({
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projection: 'EPSG:3857',
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url: 'data/geojson/line-samples.geojson'
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}),
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style: createLineStyleFunction()
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});
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// Points
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var createPointStyleFunction = function() {
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return function(feature, resolution) {
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var style = new ol.style.Style({
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image: new ol.style.Circle({
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radius: 10,
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fill: new ol.style.Fill({color: 'rgba(255, 0, 0, 0.1)'}),
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stroke: new ol.style.Stroke({color: 'red', width: 1})
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}),
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text: createTextStyle(feature, resolution, myDom.points)
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});
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return [style];
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};
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};
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var vectorPoints = new ol.layer.Vector({
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source: new ol.source.GeoJSON({
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projection: 'EPSG:3857',
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url: 'data/geojson/point-samples.geojson'
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}),
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style: createPointStyleFunction()
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});
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var map = new ol.Map({
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layers: [
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new ol.layer.Tile({
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source: new ol.source.MapQuest({layer: 'osm'})
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}),
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vectorPolygons,
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vectorLines,
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vectorPoints
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],
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target: 'map',
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view: new ol.View({
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center: [-8161939, 6095025],
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zoom: 8
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})
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});
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$('#refresh-points').click(function() {
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vectorPoints.setStyle(createPointStyleFunction());
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});
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$('#refresh-lines').click(function() {
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vectorLines.setStyle(createLineStyleFunction());
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});
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$('#refresh-polygons').click(function() {
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vectorPolygons.setStyle(createPolygonStyleFunction());
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});
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/**
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* @param {number} n The max number of characters to keep.
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* @return {string} Truncated string.
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*/
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String.prototype.trunc = String.prototype.trunc ||
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function(n) {
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return this.length > n ? this.substr(0, n - 1) + '...' : this.substr(0);
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};
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// http://stackoverflow.com/questions/14484787/wrap-text-in-javascript
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function stringDivider(str, width, spaceReplacer) {
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if (str.length > width) {
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var p = width;
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for (; p > 0 && (str[p] != ' ' && str[p] != '-'); p--) {
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}
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if (p > 0) {
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var left;
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if (str.substring(p, p + 1) == '-') {
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left = str.substring(0, p + 1);
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} else {
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left = str.substring(0, p);
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}
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var right = str.substring(p + 1);
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return left + spaceReplacer + stringDivider(right, width, spaceReplacer);
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}
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}
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return str;
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}
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