79 lines
1.9 KiB
HTML
Executable file
79 lines
1.9 KiB
HTML
Executable file
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<script src="lib.js"></script>
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<style>
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.slider {
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border-radius: 5px;
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background: #E0E0E0;
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background: -moz-linear-gradient(left top , #E0E0E0, #EEEEEE) repeat scroll 0 0 transparent;
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background: -webkit-gradient(linear, left top, right bottom, from(#E0E0E0), to(#EEEEEE));
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background: linear-gradient(left top, #E0E0E0, #EEEEEE);
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width: 310px;
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height: 15px;
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margin: 5px;
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}
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.thumb {
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width: 10px;
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height: 25px;
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border-radius: 3px;
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position: relative;
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left: 10px;
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top: -5px;
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background: blue;
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cursor: pointer;
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}
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</style>
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</head>
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<body>
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<div id="slider" class="slider">
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<div class="thumb"></div>
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</div>
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<script>
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var sliderElem = document.getElementById('slider');
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var thumbElem = sliderElem.children[0];
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thumbElem.ondragstart = function() { return false; };
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thumbElem.onmousedown = function(e) {
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e = fixEvent(e);
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var thumbCoords = getCoords(thumbElem);
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var shiftX = e.pageX - thumbCoords.left;
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// shiftY здесь не нужен, слайдер двигается только по горизонтали
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var sliderCoords = getCoords(sliderElem);
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document.onmousemove = function(e) {
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e = fixEvent(e);
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// вычесть координату родителя, т.к. position: relative
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var newLeft = e.pageX - shiftX - sliderCoords.left;
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// курсор ушёл вне слайдера
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if (newLeft < 0) {
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newLeft = 0;
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}
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var rightEdge = sliderElem.offsetWidth - thumbElem.offsetWidth;
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if (newLeft > rightEdge) {
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newLeft = rightEdge;
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}
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thumbElem.style.left = newLeft + 'px';
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}
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document.onmouseup = function() {
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document.onmousemove = document.onmouseup = null;
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};
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return false; // disable selection start (cursor change)
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};
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</script>
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</body>
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</html>
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