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TSLibrary - Draggable Table Rows

Allows dragging of table rows

目前为 2016-05-27 提交的版本。查看 最新版本

此脚本不应直接安装,它是一个供其他脚本使用的外部库。如果您需要使用该库,请在脚本元属性加入:// @require https://update.greasyfork.icu/scripts/19970/127976/TSLibrary%20-%20Draggable%20Table%20Rows.js

// ==UserScript==
// @name                    TSLibrary - Draggable Table Rows
// @namespace               TimidScript
// @version                 1.0.9
// @description             Allows dragging of table rows
// @author                  TimidScript
// @homepageURL             https://github.com/TimidScript
// @copyright               © 2016 TimidScript, Some Rights Reserved.
// @license                 Read "License + Copyright Notice" inside the script
// @exclude                 *
// ==/UserScript==

/* License + Copyright Notice
********************************************************************************************
Copyright © TimidScript, Some Rights Reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
following conditions are met:

1) GPL-3 License is met that does not conflict with the rest of the license
2) This notice must be included
3) Due credits and link to original author's homepage (included in this notice).
4) Notify the original author of redistribution
5) Clear clarification of the License and Notice to the end user
6) Do not upload on OpenUserJS.org

TimidScript's Homepages:  [GitHub](https://github.com/TimidScript)
                          [GreasyFork](https://greasyfork.org/users/1455-timidscript
*/
/* Information
********************************************************************************************
 How to Use
----------------------------------------------
Use the function TSRegisterTable(table, rowSwapEvent) to register table.
Use the function TSUNRegisterTable(table) to un-register table.

----------------------------------------------
    Version History
----------------------------------------------
1.0.9 (2016-05-27)
 - License altered
1.0.8 (2016-04-03)
 - Changed license to GPL-3
1.0.7 (2015/10/06)
 - Bug Fix: When swapping I didn't get the row element
1.0.6 (2014/12/12)
 - @exclude added
1.0.4 (2014-07-01)
 - rowSwapEvent(true) is fired when row swap has occurred only
1.0.3 (2014-07-31)
 - rowSwapEvent expects a value that is set to true when operation is complete.
 - A way to un-register table is added (TSUnRegisterTable)
1.0.2 (2014-07-31)
 - Changed to use addEventListener
 - Added a callback rowSwapEvent that gets fired when rows are swapped
1.0.1 (2014-07-30)
 - Initial Release
**********************************************************************************************/

var TableEvent =
{
    clickedRow: null,
    swapped: false,

    mouseMove: function (e, rowSwapEvent)
    {
        if (this.clickedRow && this.clickedRow != e.target.parentElement)
        {
            var row1 = this.clickedRow,
                row2 = TableEvent.getTableRow(e.target);

            if (row1.rowIndex < row2.rowIndex) row1.parentElement.insertBefore(row2, row1);
            else row1.parentElement.insertBefore(row1, row2);
            this.swapped = true;
            if (this.rowSwapEvent) this.rowSwapEvent();
        }
    },

    mouseDown: function (e)
    {
        this.clickedRow = TableEvent.getTableRow(e.target);
        this.clickedRow.style.cursor = "move";
        this.swapped = false;
    },

    mouseUp: function (e, rowSwapEvent)
    {
        this.clickedRow.style.cursor = null;
        this.clickedRow = null;
        if (this.rowSwapEvent && this.swapped) this.rowSwapEvent(true);
    },

    mouseLeave: function (e, rowSwapEvent)
    {
        this.clickedRow.style.cursor = null;
        this.clickedRow = null;
        if (this.rowSwapEvent && this.swapped) this.rowSwapEvent(true);
    },

    getTableRow: function (node)
    {
        while (node.tagName != "TR") node = node.parentElement;
        return node;
    }
};

/*
    Just call TSRegisterTable and pass the table you want to have draggable rows.
    <rowSwapEvent(complete)> is called when rows are moved. complete is a boolean
    value that is set to true when complete.
----------------------------------------------------------------------------------*/
function TSRegisterTable(table, rowSwapEvent)
{
    table.rowSwapEvent = rowSwapEvent;
    table.addEventListener("mousemove", TableEvent.mouseMove);
    table.addEventListener("mousedown", TableEvent.mouseDown);
    table.addEventListener("mouseup", TableEvent.mouseUp);
    table.addEventListener("mouseleave", TableEvent.mouseLeave);
}

/*
    Call TSUnRegisterTable to remove drag ability
----------------------------------------------------------------------------------*/
function TSUnRegisterTable(table)
{
    table.rowSwapEvent = null;
    table.removeEventListener("mousemove", TableEvent.mouseMove);
    table.removeEventListener("mousedown", TableEvent.mouseDown);
    table.removeEventListener("mouseup", TableEvent.mouseUp);
    table.removeEventListener("mouseleave", TableEvent.mouseLeave);
}