76 lines
1.7 KiB
JavaScript
76 lines
1.7 KiB
JavaScript
/**
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* Change the position counter of a row.
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*
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* @param elem Element Node to change.
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* @param toPos int New position.
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*/
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function changePos(elem, toPos)
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{
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var elemName = elem.getAttribute('data-line')
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elem.setAttribute('data-order', toPos);
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var hiddenInput = document.querySelector('[name="order_'+ elemName +'"]');
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hiddenInput.setAttribute('value', toPos);
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}
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/**
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* Move a row up or down.
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*
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* @param pos Element Node to move.
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* @param move int Move: +1 (down) or -1 (up)
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*/
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function changeOrder(pos, move)
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{
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var newpos = parseInt(pos) + move;
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var lines = document.querySelectorAll('[data-order="'+ pos +'"]');
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var changelines = document.querySelectorAll('[data-order="'+ newpos +'"]');
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// If we go down reverse lines to preserve the rows order
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if (move > 0) {
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lines = [].slice.call(lines).reverse();
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}
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for (var i = 0 ; i < lines.length ; i++) {
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var parent = changelines[0].parentNode;
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changePos(lines[i], newpos);
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changePos(changelines[i], parseInt(pos));
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var changeItem = move < 0 ? changelines[0] : changelines[changelines.length - 1].nextSibling;
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parent.insertBefore(lines[i], changeItem);
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}
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}
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/**
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* Move a row up in the table.
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*
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* @param pos int row counter.
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*
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* @returns false
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*/
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function orderUp(pos)
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{
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if (pos == 0) {
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return false;
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}
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changeOrder(pos, -1);
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return false;
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}
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/**
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* Move a row down in the table.
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*
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* @param pos int row counter.
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*
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* @returns false
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*/
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function orderDown(pos)
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{
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var lastpos = document.querySelector('[data-order]:last-child').getAttribute('data-order');
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if (pos == lastpos) {
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return false;
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}
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changeOrder(pos, +1);
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return false;
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}
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