Skip to content

Павел Резуненко / MTAweb

Go to a project
Switch branch/tag
AbstractElement.static.html 18.7 KB
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 
<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>The source code</title>
  <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
  <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
  <style type="text/css">
    .highlight { display: block; background-color: #ddd; }
  </style>
  <script type="text/javascript">
    function highlight() {
      document.getElementById(location.hash.replace(/#/, "")).className = "highlight";
    }
  </script>
</head>
<body onload="prettyPrint(); highlight();">
  <pre class="prettyprint lang-js"><span id='Ext-dom-AbstractElement'>/**
</span> * @class Ext.dom.AbstractElement
 */
Ext.dom.AbstractElement.addInheritableStatics({
    unitRe: /\d+(px|em|%|en|ex|pt|in|cm|mm|pc)$/i,
    camelRe: /(-[a-z])/gi,
    cssRe: /([a-z0-9\-]+)\s*:\s*([^;\s]+(?:\s*[^;\s]+)*);?/gi,
    opacityRe: /alpha\(opacity=(.*)\)/i,
    propertyCache: {},
    defaultUnit : &quot;px&quot;,
    borders: {l: 'border-left-width', r: 'border-right-width', t: 'border-top-width', b: 'border-bottom-width'},
    paddings: {l: 'padding-left', r: 'padding-right', t: 'padding-top', b: 'padding-bottom'},
    margins: {l: 'margin-left', r: 'margin-right', t: 'margin-top', b: 'margin-bottom'},
<span id='Ext-dom-AbstractElement-static-method-addUnits'>    /**
</span>     * Test if size has a unit, otherwise appends the passed unit string, or the default for this Element.
     * @param size {Object} The size to set
     * @param units {String} The units to append to a numeric size value
     * @private
     * @static
     */
    addUnits: function(size, units) {
        // Most common case first: Size is set to a number
        if (typeof size == 'number') {
            return size + (units || this.defaultUnit || 'px');
        }

        // Size set to a value which means &quot;auto&quot;
        if (size === &quot;&quot; || size == &quot;auto&quot; || size === undefined || size === null) {
            return size || '';
        }

        // Otherwise, warn if it's not a valid CSS measurement
        if (!this.unitRe.test(size)) {
            //&lt;debug&gt;
            if (Ext.isDefined(Ext.global.console)) {
                Ext.global.console.warn(&quot;Warning, size detected as NaN on Element.addUnits.&quot;);
            }
            //&lt;/debug&gt;
            return size || '';
        }

        return size;
    },

<span id='Ext-dom-AbstractElement-static-method-isAncestor'>    /**
</span>     * @static
     * @private
     */
    isAncestor: function(p, c) {
        var ret = false;

        p = Ext.getDom(p);
        c = Ext.getDom(c);
        if (p &amp;&amp; c) {
            if (p.contains) {
                return p.contains(c);
            } else if (p.compareDocumentPosition) {
                return !!(p.compareDocumentPosition(c) &amp; 16);
            } else {
                while ((c = c.parentNode)) {
                    ret = c == p || ret;
                }
            }
        }
        return ret;
    },

<span id='Ext-dom-AbstractElement-static-method-parseBox'>    /**
</span>     * Parses a number or string representing margin sizes into an object. Supports CSS-style margin declarations
     * (e.g. 10, &quot;10&quot;, &quot;10 10&quot;, &quot;10 10 10&quot; and &quot;10 10 10 10&quot; are all valid options and would return the same result)
     * @static
     * @param {Number/String} box The encoded margins
     * @return {Object} An object with margin sizes for top, right, bottom and left
     */
    parseBox: function(box) {
        if (typeof box != 'string') {
            box = box.toString();
        }
        var parts  = box.split(' '),
            ln = parts.length;

        if (ln == 1) {
            parts[1] = parts[2] = parts[3] = parts[0];
        }
        else if (ln == 2) {
            parts[2] = parts[0];
            parts[3] = parts[1];
        }
        else if (ln == 3) {
            parts[3] = parts[1];
        }

        return {
            top   :parseFloat(parts[0]) || 0,
            right :parseFloat(parts[1]) || 0,
            bottom:parseFloat(parts[2]) || 0,
            left  :parseFloat(parts[3]) || 0
        };
    },

<span id='Ext-dom-AbstractElement-static-method-unitizeBox'>    /**
</span>     * Parses a number or string representing margin sizes into an object. Supports CSS-style margin declarations
     * (e.g. 10, &quot;10&quot;, &quot;10 10&quot;, &quot;10 10 10&quot; and &quot;10 10 10 10&quot; are all valid options and would return the same result)
     * @static
     * @param {Number/String} box The encoded margins
     * @param {String} units The type of units to add
     * @return {String} An string with unitized (px if units is not specified) metrics for top, right, bottom and left
     */
    unitizeBox: function(box, units) {
        var a = this.addUnits,
            b = this.parseBox(box);

        return a(b.top, units) + ' ' +
               a(b.right, units) + ' ' +
               a(b.bottom, units) + ' ' +
               a(b.left, units);

    },

    // private
    camelReplaceFn: function(m, a) {
        return a.charAt(1).toUpperCase();
    },

<span id='Ext-dom-AbstractElement-static-method-normalize'>    /**
</span>     * Normalizes CSS property keys from dash delimited to camel case JavaScript Syntax.
     * For example:
     *
     * - border-width -&gt; borderWidth
     * - padding-top -&gt; paddingTop
     *
     * @static
     * @param {String} prop The property to normalize
     * @return {String} The normalized string
     */
    normalize: function(prop) {
        // TODO: Mobile optimization?
        if (prop == 'float') {
            prop = Ext.supports.Float ? 'cssFloat' : 'styleFloat';
        }
        return this.propertyCache[prop] || (this.propertyCache[prop] = prop.replace(this.camelRe, this.camelReplaceFn));
    },

<span id='Ext-dom-AbstractElement-static-method-getDocumentHeight'>    /**
</span>     * Retrieves the document height
     * @static
     * @return {Number} documentHeight
     */
    getDocumentHeight: function() {
        return Math.max(!Ext.isStrict ? document.body.scrollHeight : document.documentElement.scrollHeight, this.getViewportHeight());
    },

<span id='Ext-dom-AbstractElement-static-method-getDocumentWidth'>    /**
</span>     * Retrieves the document width
     * @static
     * @return {Number} documentWidth
     */
    getDocumentWidth: function() {
        return Math.max(!Ext.isStrict ? document.body.scrollWidth : document.documentElement.scrollWidth, this.getViewportWidth());
    },

<span id='Ext-dom-AbstractElement-static-method-getViewportHeight'>    /**
</span>     * Retrieves the viewport height of the window.
     * @static
     * @return {Number} viewportHeight
     */
    getViewportHeight: function(){
        return window.innerHeight;
    },

<span id='Ext-dom-AbstractElement-static-method-getViewportWidth'>    /**
</span>     * Retrieves the viewport width of the window.
     * @static
     * @return {Number} viewportWidth
     */
    getViewportWidth: function() {
        return window.innerWidth;
    },

<span id='Ext-dom-AbstractElement-static-method-getViewSize'>    /**
</span>     * Retrieves the viewport size of the window.
     * @static
     * @return {Object} object containing width and height properties
     */
    getViewSize: function() {
        return {
            width: window.innerWidth,
            height: window.innerHeight
        };
    },

<span id='Ext-dom-AbstractElement-static-method-getOrientation'>    /**
</span>     * Retrieves the current orientation of the window. This is calculated by
     * determing if the height is greater than the width.
     * @static
     * @return {String} Orientation of window: 'portrait' or 'landscape'
     */
    getOrientation: function() {
        if (Ext.supports.OrientationChange) {
            return (window.orientation == 0) ? 'portrait' : 'landscape';
        }

        return (window.innerHeight &gt; window.innerWidth) ? 'portrait' : 'landscape';
    },

<span id='Ext-dom-AbstractElement-static-method-fromPoint'>    /**
</span>     * Returns the top Element that is located at the passed coordinates
     * @static
     * @param {Number} x The x coordinate
     * @param {Number} y The y coordinate
     * @return {String} The found Element
     */
    fromPoint: function(x, y) {
        return Ext.get(document.elementFromPoint(x, y));
    },

<span id='Ext-dom-AbstractElement-static-method-parseStyles'>    /**
</span>     * Converts a CSS string into an object with a property for each style.
     *
     * The sample code below would return an object with 2 properties, one
     * for background-color and one for color.
     *
     *     var css = 'background-color: red;color: blue; ';
     *     console.log(Ext.dom.Element.parseStyles(css));
     *
     * @static
     * @param {String} styles A CSS string
     * @return {Object} styles
     */
    parseStyles: function(styles){
        var out = {},
            cssRe = this.cssRe,
            matches;

        if (styles) {
            // Since we're using the g flag on the regex, we need to set the lastIndex.
            // This automatically happens on some implementations, but not others, see:
            // http://stackoverflow.com/questions/2645273/javascript-regular-expression-literal-persists-between-function-calls
            // http://blog.stevenlevithan.com/archives/fixing-javascript-regexp
            cssRe.lastIndex = 0;
            while ((matches = cssRe.exec(styles))) {
                out[matches[1]] = matches[2];
            }
        }
        return out;
    }
});

//TODO Need serious cleanups
(function(){
    var doc = document,
        AbstractElement = Ext.dom.AbstractElement,
        activeElement = null,
        isCSS1 = doc.compatMode == &quot;CSS1Compat&quot;,
        flyInstance,
        fly = function (el) {
            if (!flyInstance) {
                flyInstance = new AbstractElement.Fly();
            }
            flyInstance.attach(el);
            return flyInstance;
        };

    // If the browser does not support document.activeElement we need some assistance.
    // This covers old Safari 3.2 (4.0 added activeElement along with just about all
    // other browsers). We need this support to handle issues with old Safari.
    if (!('activeElement' in doc) &amp;&amp; doc.addEventListener) {
        doc.addEventListener('focus',
            function (ev) {
                if (ev &amp;&amp; ev.target) {
                    activeElement = (ev.target == doc) ? null : ev.target;
                }
            }, true);
    }

    /*
     * Helper function to create the function that will restore the selection.
     */
    function makeSelectionRestoreFn (activeEl, start, end) {
        return function () {
            activeEl.selectionStart = start;
            activeEl.selectionEnd = end;
        };
    }

    AbstractElement.addInheritableStatics({
<span id='Ext-dom-AbstractElement-method-getActiveElement'>        /**
</span>         * Returns the active element in the DOM. If the browser supports activeElement
         * on the document, this is returned. If not, the focus is tracked and the active
         * element is maintained internally.
         * @return {HTMLElement} The active (focused) element in the document.
         */
        getActiveElement: function () {
            return doc.activeElement || activeElement;
        },

<span id='Ext-dom-AbstractElement-method-getRightMarginFixCleaner'>        /**
</span>         * Creates a function to call to clean up problems with the work-around for the
         * WebKit RightMargin bug. The work-around is to add &quot;display: 'inline-block'&quot; to
         * the element before calling getComputedStyle and then to restore its original
         * display value. The problem with this is that it corrupts the selection of an
         * INPUT or TEXTAREA element (as in the &quot;I-beam&quot; goes away but ths focus remains).
         * To cleanup after this, we need to capture the selection of any such element and
         * then restore it after we have restored the display style.
         *
         * @param {Ext.dom.Element} target The top-most element being adjusted.
         * @private
         */
        getRightMarginFixCleaner: function (target) {
            var supports = Ext.supports,
                hasInputBug = supports.DisplayChangeInputSelectionBug,
                hasTextAreaBug = supports.DisplayChangeTextAreaSelectionBug,
                activeEl,
                tag,
                start,
                end;

            if (hasInputBug || hasTextAreaBug) {
                activeEl = doc.activeElement || activeElement; // save a call
                tag = activeEl &amp;&amp; activeEl.tagName;

                if ((hasTextAreaBug &amp;&amp; tag == 'TEXTAREA') ||
                    (hasInputBug &amp;&amp; tag == 'INPUT' &amp;&amp; activeEl.type == 'text')) {
                    if (Ext.dom.Element.isAncestor(target, activeEl)) {
                        start = activeEl.selectionStart;
                        end = activeEl.selectionEnd;

                        if (Ext.isNumber(start) &amp;&amp; Ext.isNumber(end)) { // to be safe...
                            // We don't create the raw closure here inline because that
                            // will be costly even if we don't want to return it (nested
                            // function decls and exprs are often instantiated on entry
                            // regardless of whether execution ever reaches them):
                            return makeSelectionRestoreFn(activeEl, start, end);
                        }
                    }
                }
            }

            return Ext.emptyFn; // avoid special cases, just return a nop
        },

        getViewWidth: function(full) {
            return full ? Ext.dom.Element.getDocumentWidth() : Ext.dom.Element.getViewportWidth();
        },

        getViewHeight: function(full) {
            return full ? Ext.dom.Element.getDocumentHeight() : Ext.dom.Element.getViewportHeight();
        },

        getDocumentHeight: function() {
            return Math.max(!isCSS1 ? doc.body.scrollHeight : doc.documentElement.scrollHeight, Ext.dom.Element.getViewportHeight());
        },

        getDocumentWidth: function() {
            return Math.max(!isCSS1 ? doc.body.scrollWidth : doc.documentElement.scrollWidth, Ext.dom.Element.getViewportWidth());
        },

        getViewportHeight: function(){
            return Ext.isIE ?
                   (Ext.isStrict ? doc.documentElement.clientHeight : doc.body.clientHeight) :
                   self.innerHeight;
        },

        getViewportWidth: function() {
            return (!Ext.isStrict &amp;&amp; !Ext.isOpera) ? doc.body.clientWidth :
                   Ext.isIE ? doc.documentElement.clientWidth : self.innerWidth;
        },

        getY: function(el) {
            return Ext.dom.Element.getXY(el)[1];
        },

        getX: function(el) {
            return Ext.dom.Element.getXY(el)[0];
        },

        getXY: function(el) {
            var bd = doc.body,
                docEl = doc.documentElement,
                leftBorder = 0,
                topBorder = 0,
                ret = [0,0],
                round = Math.round,
                box,
                scroll;

            el = Ext.getDom(el);

            if(el != doc &amp;&amp; el != bd){
                // IE has the potential to throw when getBoundingClientRect called
                // on element not attached to dom
                if (Ext.isIE) {
                    try {
                        box = el.getBoundingClientRect();
                        // In some versions of IE, the documentElement (HTML element) will have a 2px border that gets included, so subtract it off
                        topBorder = docEl.clientTop || bd.clientTop;
                        leftBorder = docEl.clientLeft || bd.clientLeft;
                    } catch (ex) {
                        box = { left: 0, top: 0 };
                    }
                } else {
                    box = el.getBoundingClientRect();
                }

                scroll = fly(document).getScroll();
                ret = [round(box.left + scroll.left - leftBorder), round(box.top + scroll.top - topBorder)];
            }
            return ret;
        },

        setXY: function(el, xy) {
            (el = Ext.fly(el, '_setXY')).position();

            var pts = el.translatePoints(xy),
                style = el.dom.style,
                pos;

            for (pos in pts) {
                if (!isNaN(pts[pos])) {
                    style[pos] = pts[pos] + &quot;px&quot;;
                }
            }
        },

        setX: function(el, x) {
            Ext.dom.Element.setXY(el, [x, false]);
        },

        setY: function(el, y) {
            Ext.dom.Element.setXY(el, [false, y]);
        },

<span id='Ext-dom-AbstractElement-method-serializeForm'>        /**
</span>         * Serializes a DOM form into a url encoded string
         * @param {Object} form The form
         * @return {String} The url encoded form
         */
        serializeForm: function(form) {
            var fElements = form.elements || (document.forms[form] || Ext.getDom(form)).elements,
                hasSubmit = false,
                encoder   = encodeURIComponent,
                data      = '',
                eLen      = fElements.length,
                element, name, type, options, hasValue, e,
                o, oLen, opt;

            for (e = 0; e &lt; eLen; e++) {
                element = fElements[e];
                name    = element.name;
                type    = element.type;
                options = element.options;

                if (!element.disabled &amp;&amp; name) {
                    if (/select-(one|multiple)/i.test(type)) {
                        oLen = options.length;
                        for (o = 0; o &lt; oLen; o++) {
                            opt = options[o];
                            if (opt.selected) {
                                hasValue = opt.hasAttribute ? opt.hasAttribute('value') : opt.getAttributeNode('value').specified;
                                data += Ext.String.format(&quot;{0}={1}&amp;&quot;, encoder(name), encoder(hasValue ? opt.value : opt.text));
                            }
                        }
                    } else if (!(/file|undefined|reset|button/i.test(type))) {
                        if (!(/radio|checkbox/i.test(type) &amp;&amp; !element.checked) &amp;&amp; !(type == 'submit' &amp;&amp; hasSubmit)) {
                            data += encoder(name) + '=' + encoder(element.value) + '&amp;';
                            hasSubmit = /submit/i.test(type);
                        }
                    }
                }
            }
            return data.substr(0, data.length - 1);
        }
    });
}());
</pre>
</body>
</html>