1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 | 1× 13× 13× 13× 7× 36× 1× 1× 13× 13× 13× 13× 13× 13× 13× 13× 13× 13× 13× 1× 1× 7× 7× 7× 7× 7× 7× 1× 7× 1× 1× 9× 3× 9× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 2× 2× 2× 2× 2× 2× 1× 13× 1× 13× 1× 13× 13× 13× 13× 13× 1× 7× 7× 7× 7× 7× 2× 7× 7× 7× 7× 7× 7× 7× 7× 1× 7× 7× 7× 1× 13× 10× 10× 10× 10× 10× 4× 10× 1× 13× 13× 13× 13× 13× 13× 13× 13× | import { isString, assign, forEach } from 'min-dash'; import { domify, attr as domAttr, classes as domClasses, remove as domRemove, delegate as domDelegate } from 'min-dom'; import Ids from '../../util/IdGenerator'; // document wide unique tooltip ids var ids = new Ids('tt'); function createRoot(parentNode) { var root = domify( '<div class="djs-tooltip-container" style="position: absolute; width: 0; height: 0;" />' ); parentNode.insertBefore(root, parentNode.firstChild); return root; } function setPosition(el, x, y) { assign(el.style, { left: x + 'px', top: y + 'px' }); } function setVisible(el, visible) { el.style.display = visible === false ? 'none' : ''; } var tooltipClass = 'djs-tooltip', tooltipSelector = '.' + tooltipClass; /** * A service that allows users to render tool tips on the diagram. * * The tooltip service will take care of updating the tooltip positioning * during navigation + zooming. * * @example * * ```javascript * * // add a pink badge on the top left of the shape * tooltips.add({ * position: { * x: 50, * y: 100 * }, * html: '<div style="width: 10px; background: fuchsia; color: white;">0</div>' * }); * * // or with optional life span * tooltips.add({ * position: { * top: -5, * left: -5 * }, * html: '<div style="width: 10px; background: fuchsia; color: white;">0</div>', * ttl: 2000 * }); * * // remove a tool tip * var id = tooltips.add(...); * tooltips.remove(id); * ``` * * @param {EventBus} eventBus * @param {Canvas} canvas */ export default function Tooltips(eventBus, canvas) { this._eventBus = eventBus; this._canvas = canvas; this._ids = ids; this._tooltipDefaults = { show: { minZoom: 0.7, maxZoom: 5.0 } }; /** * Mapping tooltipId -> tooltip */ this._tooltips = {}; // root html element for all tooltips this._tooltipRoot = createRoot(canvas.getContainer()); var self = this; domDelegate.bind(this._tooltipRoot, tooltipSelector, 'mousedown', function(event) { event.stopPropagation(); }); domDelegate.bind(this._tooltipRoot, tooltipSelector, 'mouseover', function(event) { self.trigger('mouseover', event); }); domDelegate.bind(this._tooltipRoot, tooltipSelector, 'mouseout', function(event) { self.trigger('mouseout', event); }); this._init(); } Tooltips.$inject = [ 'eventBus', 'canvas' ]; /** * Adds a HTML tooltip to the diagram * * @param {Object} tooltip the tooltip configuration * * @param {String|DOMElement} tooltip.html html element to use as an tooltip * @param {Object} [tooltip.show] show configuration * @param {Number} [tooltip.show.minZoom] minimal zoom level to show the tooltip * @param {Number} [tooltip.show.maxZoom] maximum zoom level to show the tooltip * @param {Object} tooltip.position where to attach the tooltip * @param {Number} [tooltip.position.left] relative to element bbox left attachment * @param {Number} [tooltip.position.top] relative to element bbox top attachment * @param {Number} [tooltip.position.bottom] relative to element bbox bottom attachment * @param {Number} [tooltip.position.right] relative to element bbox right attachment * @param {Number} [tooltip.timeout=-1] * * @return {String} id that may be used to reference the tooltip for update or removal */ Tooltips.prototype.add = function(tooltip) { Iif (!tooltip.position) { throw new Error('must specifiy tooltip position'); } Iif (!tooltip.html) { throw new Error('must specifiy tooltip html'); } var id = this._ids.next(); tooltip = assign({}, this._tooltipDefaults, tooltip, { id: id }); this._addTooltip(tooltip); if (tooltip.timeout) { this.setTimeout(tooltip); } return id; }; Tooltips.prototype.trigger = function(action, event) { var node = event.delegateTarget || event.target; var tooltip = this.get(domAttr(node, 'data-tooltip-id')); if (!tooltip) { return; } if (action === 'mouseover' && tooltip.timeout) { this.clearTimeout(tooltip); } if (action === 'mouseout' && tooltip.timeout) { // cut timeout after mouse out tooltip.timeout = 1000; this.setTimeout(tooltip); } }; /** * Get a tooltip with the given id * * @param {String} id */ Tooltips.prototype.get = function(id) { if (typeof id !== 'string') { id = id.id; } return this._tooltips[id]; }; Tooltips.prototype.clearTimeout = function(tooltip) { tooltip = this.get(tooltip); Iif (!tooltip) { return; } var removeTimer = tooltip.removeTimer; Iif (removeTimer) { clearTimeout(removeTimer); tooltip.removeTimer = null; } }; Tooltips.prototype.setTimeout = function(tooltip) { tooltip = this.get(tooltip); Iif (!tooltip) { return; } this.clearTimeout(tooltip); var self = this; tooltip.removeTimer = setTimeout(function() { self.remove(tooltip); }, tooltip.timeout); }; /** * Remove an tooltip with the given id * * @param {String} id */ Tooltips.prototype.remove = function(id) { var tooltip = this.get(id); Eif (tooltip) { domRemove(tooltip.html); domRemove(tooltip.htmlContainer); delete tooltip.htmlContainer; delete this._tooltips[tooltip.id]; } }; Tooltips.prototype.show = function() { setVisible(this._tooltipRoot); }; Tooltips.prototype.hide = function() { setVisible(this._tooltipRoot, false); }; Tooltips.prototype._updateRoot = function(viewbox) { var a = viewbox.scale || 1; var d = viewbox.scale || 1; var matrix = 'matrix(' + a + ',0,0,' + d + ',' + (-1 * viewbox.x * a) + ',' + (-1 * viewbox.y * d) + ')'; this._tooltipRoot.style.transform = matrix; this._tooltipRoot.style['-ms-transform'] = matrix; }; Tooltips.prototype._addTooltip = function(tooltip) { var id = tooltip.id, html = tooltip.html, htmlContainer, tooltipRoot = this._tooltipRoot; // unwrap jquery (for those who need it) Iif (html.get && html.constructor.prototype.jquery) { html = html.get(0); } // create proper html elements from // tooltip HTML strings if (isString(html)) { html = domify(html); } htmlContainer = domify('<div data-tooltip-id="' + id + '" class="' + tooltipClass + '" style="position: absolute">'); htmlContainer.appendChild(html); Iif (tooltip.type) { domClasses(htmlContainer).add('djs-tooltip-' + tooltip.type); } Iif (tooltip.className) { domClasses(htmlContainer).add(tooltip.className); } tooltip.htmlContainer = htmlContainer; tooltipRoot.appendChild(htmlContainer); this._tooltips[id] = tooltip; this._updateTooltip(tooltip); }; Tooltips.prototype._updateTooltip = function(tooltip) { var position = tooltip.position, htmlContainer = tooltip.htmlContainer; // update overlay html based on tooltip x, y setPosition(htmlContainer, position.x, position.y); }; Tooltips.prototype._updateTooltipVisibilty = function(viewbox) { forEach(this._tooltips, function(tooltip) { var show = tooltip.show, htmlContainer = tooltip.htmlContainer, visible = true; Eif (show) { if (show.minZoom > viewbox.scale || show.maxZoom < viewbox.scale) { visible = false; } setVisible(htmlContainer, visible); } }); }; Tooltips.prototype._init = function() { var self = this; // scroll/zoom integration function updateViewbox(viewbox) { self._updateRoot(viewbox); self._updateTooltipVisibilty(viewbox); self.show(); } this._eventBus.on('canvas.viewbox.changing', function(event) { self.hide(); }); this._eventBus.on('canvas.viewbox.changed', function(event) { updateViewbox(event.viewbox); }); }; |