Resizeable Text Fields

Based on Resizeable Textarea 0.1 (https://addons.mozilla.org/de/firefox/addon/3818), original coding by Raik Jürgens. Added support for select lists and horizontal resizing of input fields by Florian Höch. Should now work on all page types (XML/XHTML/you-name-it).

目前為 2014-09-04 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name           Resizeable Text Fields
// @namespace      http://userscripts.org/scripts/show/42433
// @description    Based on Resizeable Textarea 0.1 (https://addons.mozilla.org/de/firefox/addon/3818), original coding by Raik Jürgens. Added support for select lists and horizontal resizing of input fields by Florian Höch. Should now work on all page types (XML/XHTML/you-name-it).
// @include        *
// @version 0.0.1.20140904104754
// ==/UserScript==

window.resizeableTF =
{
	loaded: false,
	TF: [],
	TF_names: [],
	TF_lineheights: [],
	TF_tags: {
		/*
			directions:
			0 = determine on runtime by looking at size attribute
			1 = only horizontal
			2 = horizontal & vertical
		*/
		'input': {
			directions: 1,
			types: ['text', 'password']
		},
		'pre': {
			directions: 2
		},
		'select': {
			directions: 0
		},
		'textarea': {
			directions: 2
		}
	},

	pageload: function (e) {
		if (!resizeableTF.loaded) {
			resizeableTF.doc = document;
			resizeableTF.rootElem = resizeableTF.doc.getElementsByTagName('body')[0] || resizeableTF.doc.documentElement;
		}
		var TF = []
		for (var tagName in resizeableTF.TF_tags) {
			TF = TF.concat(Array.prototype.slice.call(resizeableTF.doc.getElementsByTagName(tagName)));
		}
		if (TF.length) {
			var i = TF.length, k = resizeableTF.TF.length, curTF_Nr;
			while (i--) {
				var TF_tag = resizeableTF.TF_tags[TF[i].tagName.toLowerCase()]
				if ((TF_tag && (!TF_tag.types || TF_tag.types.indexOf(TF[i].type) > -1)) && (!resizeableTF.loaded || resizeableTF.TF_names.indexOf(TF[i].name) < 0)) {
					resizeableTF.TF[k] = TF[i];
					resizeableTF.TF_names[k] = TF[i].name;
					resizeableTF.TF_lineheights[k] = resizeableTF.getlineheight(TF[i]);
					resizeableTF.newdiv('5' , '1' , 'resizeableTFgripH_', k, 'w' ).addEventListener('mouseout', resizeableTF.hidediv, false);
					if (TF_tag.directions == 2 || (TF_tag.directions == 0 && TF[i].size > 1)) {
						resizeableTF.newdiv('1' , '5' , 'resizeableTFgripV_', k, 'n' ).addEventListener('mouseout', resizeableTF.hidediv, false);
						resizeableTF.newdiv('10', '5', 'resizeableTFgripX_', k, 'se').addEventListener('mouseout', resizeableTF.hidediv, false);
					}
					resizeableTF.TF[k].addEventListener('mousemove', new Function('if (!resizeableTF.isresizing && resizeableTF.curTF_Nr !== ' + k + ') { resizeableTF.curTF_Nr = ' + k + '; resizeableTF.posdiv() }'), false);
					resizeableTF.TF[k].addEventListener('mouseout', resizeableTF.hidediv, false);
					k++;
				}
			}
			if (!resizeableTF.loaded) {
				resizeableTF.newdiv('0', '0', 'resizeableTFshowCursor', '', 'w');
				resizeableTF.CursorDiv = resizeableTF.doc.getElementById('resizeableTFshowCursor');
				resizeableTF.CursorDiv.removeEventListener('mousedown', resizeableTF.activate, true);
				window.addEventListener('resize', resizeableTF.hidedivs, true);
				window.addEventListener('scroll', resizeableTF.hidedivs, true);
			}
		}
		resizeableTF.loaded = true;
	},

	newdiv: function (w, h, id, nr, cu) {
		var grip = this.rootElem.namespaceURI ? this.doc.createElementNS(this.rootElem.namespaceURI, 'div') : this.doc.createElement('div');
		grip.setAttribute('id', id + nr);
		grip.setAttribute('style', 'display: none; border: none; font-size: 1px; line-height: 1px; margin: 0; padding: 0; position: fixed; width: ' + w + 'px; height: ' + h + 'px; cursor: ' + cu + '-resize; left: 0; top: 0; z-index: 2147483647;'); // max possible z-index value 2^32/2-1
		grip.addEventListener('mousedown', this.activate, true);
		this.rootElem.appendChild(grip);
		return grip;
	},

	getpositionabs: function (k, elem) {
		var curElem = elem || this.TF[k];
		var curX = curElem.offsetLeft;
		while (curElem.offsetParent) {
			curX += Math.abs(curElem.offsetParent.offsetLeft) + (curElem.offsetParent.tagName.toLowerCase() != 'table' ? curElem.offsetParent.clientLeft : 0) - curElem.offsetParent.scrollLeft;
			// Math.abs needed for <body> which returns negative offset if it has a border (NOT ok - should be positive)
			// curElem.offsetParent.clientLeft not needed for tables (cell offsetLeft already contains table clientLeft)
			curElem = curElem.offsetParent;
		}
		if (curElem != document.documentElement) curX += document.documentElement.offsetLeft; // <html> returns negative offset if it has a border (OK)
		curElem = elem || this.TF[k];
		var curY = curElem.offsetTop;
		while (curElem.offsetParent) {
			curY += Math.abs(curElem.offsetParent.offsetTop) + (curElem.offsetParent.tagName.toLowerCase() != 'table' ? curElem.offsetParent.clientTop : 0) - curElem.offsetParent.scrollTop;
			// Math.abs needed for <body> which returns negative offset if it has a border (NOT ok - should be positive)
			// curElem.offsetParent.clientTop not needed for tables (cell offsetTop already contains table clientTop)
			curElem = curElem.offsetParent;
		}
		if (curElem != document.documentElement) curY += document.documentElement.offsetTop; // <html> returns negative offset if it has a border (OK)
		return [curX, curY];
	},

	getposition: function (k, elem) {
		var curElem = elem || this.TF[k];
		var curX = curElem.offsetLeft;
		while (curElem.offsetParent) {
			curX += Math.abs(curElem.offsetParent.offsetLeft) + (curElem.offsetParent.tagName.toLowerCase() != 'table' ? curElem.offsetParent.clientLeft : 0) - curElem.offsetParent.scrollLeft;
			// Math.abs needed for <body> which returns negative offset if it has a border (NOT ok - should be positive)
			// curElem.offsetParent.clientLeft not needed for tables (cell offsetLeft already contains table clientLeft)
			curElem = curElem.offsetParent;
		}
		if (curElem != document.documentElement) curX -= document.documentElement.scrollLeft;
		curElem = elem || this.TF[k];
		var curY = curElem.offsetTop;
		while (curElem.offsetParent) {
			curY += Math.abs(curElem.offsetParent.offsetTop) + (curElem.offsetParent.tagName.toLowerCase() != 'table' ? curElem.offsetParent.clientTop : 0) - curElem.offsetParent.scrollTop;
			// Math.abs needed for <body> which returns negative offset if it has a border (NOT ok - should be positive)
			// curElem.offsetParent.clientTop not needed for tables (cell offsetTop already contains table clientTop)
			curElem = curElem.offsetParent;
		}
		if (curElem != document.documentElement) curY -= document.documentElement.scrollTop;
		return [curX, curY];
	},

	getdimensions: function (elem) {
		if (document.compatMode == 'BackCompat' || elem.tagName.toLowerCase() == 'select') {
			var w = elem.offsetWidth;
			var h = elem.offsetHeight;
		}
		else {
			var style = document.defaultView.getComputedStyle(elem, null);
			var w = parseFloat(style.width);
			var h = parseFloat(style.height);
			if (elem.tagName.toLowerCase() == 'td' || elem.tagName.toLowerCase() == 'th') {
				// w += parseFloat(style.paddingLeft);
				// w += parseFloat(style.paddingRight);
				h += parseFloat(style.paddingTop);
				h += parseFloat(style.paddingBottom);
			}
		}
		return [w, h];
	},

	getlineheight: function (elem) {
		var style = document.defaultView.getComputedStyle(elem, null);
		return parseFloat(style.lineHeight);
	},

	posdiv: function (e) {
		resizeableTF.isshown = true;
		var k = resizeableTF.curTF_Nr, hx, hy, hh, vx, vy, vw, xx, xy;
		var curPos = resizeableTF.getposition(k);
		resizeableTF.doc.getElementById('resizeableTFgripH_' + k).style.left        = hx = (curPos[0] + resizeableTF.TF[k].offsetWidth  -  5) + 'px';
		resizeableTF.doc.getElementById('resizeableTFgripH_' + k).style.top         = hy = (curPos[1]                                       ) + 'px';
		var TF_tag = resizeableTF.TF_tags[resizeableTF.TF[k].tagName.toLowerCase()];
		if (TF_tag.directions == 2 || (TF_tag.directions == 0 && resizeableTF.TF[k].size > 1)) {
			resizeableTF.doc.getElementById('resizeableTFgripH_' + k).style.height  = hh = (            resizeableTF.TF[k].offsetHeight -  5) + 'px';
			resizeableTF.doc.getElementById('resizeableTFgripV_' + k).style.left    = vx = (curPos[0]                                       ) + 'px';
			resizeableTF.doc.getElementById('resizeableTFgripV_' + k).style.top     = vy = (curPos[1] + resizeableTF.TF[k].offsetHeight -  5) + 'px';
			resizeableTF.doc.getElementById('resizeableTFgripV_' + k).style.width   = vw = (            resizeableTF.TF[k].offsetWidth  - 10) + 'px';
			resizeableTF.doc.getElementById('resizeableTFgripV_' + k).style.display = 'block';
			resizeableTF.doc.getElementById('resizeableTFgripX_' + k).style.left    = xx = (curPos[0] + resizeableTF.TF[k].offsetWidth  - 10) + 'px';
			resizeableTF.doc.getElementById('resizeableTFgripX_' + k).style.top     = xy = (curPos[1] + resizeableTF.TF[k].offsetHeight -  5) + 'px';
			resizeableTF.doc.getElementById('resizeableTFgripX_' + k).style.display = 'block';
		}
		else {
			resizeableTF.doc.getElementById('resizeableTFgripH_' + k).style.height  = hh =              resizeableTF.TF[k].offsetHeight       + 'px';
		}
		resizeableTF.doc.getElementById('resizeableTFgripH_' + k).style.display     = 'block';
	},

	activate: function (e) {
		resizeableTF.isresizing = true;
		var curTargetId = e.target.getAttribute('id').split('_');
		resizeableTF.curTarget = curTargetId[0];
		resizeableTF.curTF_Nr = parseInt(curTargetId[1]);
		resizeableTF.curTF = resizeableTF.TF[resizeableTF.curTF_Nr];
		var curPos = resizeableTF.getposition(resizeableTF.curTF_Nr),
			curDim = resizeableTF.getdimensions(resizeableTF.curTF);
		resizeableTF.offset = [
			e.pageX - curPos[0] - curDim[0],
			e.pageY - curPos[1] - curDim[1]
		];
		var elem = resizeableTF.curTF.parentNode;
		// if (elem.tagName.toLowerCase() == 'td' || elem.tagName.toLowerCase() == 'th') {
			// while (elem.tagName.toLowerCase() != 'table') elem = elem.parentNode;
		// }
		with (elem.style)
			resizeableTF.storedDim = [minWidth, minHeight, width, height];
		var parDim = resizeableTF.getdimensions(elem)
		elem.style.minWidth  = parDim[0] + 'px';
		elem.style.minHeight = parDim[1] + 'px';
		resizeableTF.doc.addEventListener('mouseup', resizeableTF.deactivate, true);
		switch(resizeableTF.curTarget){
			case 'resizeableTFgripH':
				resizeableTF.doc.addEventListener('mousemove', resizeableTF.resizeta_h, true);
				resizeableTF.doc.addEventListener('draggesture', resizeableTF.cancelEvent, true);
				resizeableTF.doc.addEventListener('dragstart', resizeableTF.cancelEvent, true);
				break;
			case 'resizeableTFgripV':
				resizeableTF.doc.addEventListener('mousemove', resizeableTF.resizeta_v, true);
				resizeableTF.doc.addEventListener('draggesture', resizeableTF.cancelEvent, true);
				resizeableTF.doc.addEventListener('dragstart', resizeableTF.cancelEvent, true);
				break;
			case 'resizeableTFgripX':
				resizeableTF.doc.addEventListener('mousemove', resizeableTF.resizeta_x, true);
				resizeableTF.doc.addEventListener('draggesture', resizeableTF.cancelEvent, true);
				resizeableTF.doc.addEventListener('dragstart', resizeableTF.cancelEvent, true);
				break;
			}
		resizeableTF.CursorDiv.style.width = resizeableTF.rootElem.offsetWidth + 'px';
		resizeableTF.CursorDiv.style.height = resizeableTF.rootElem.offsetHeight + 'px';
		resizeableTF.CursorDiv.style.cursor = e.target.style.cursor;
		resizeableTF.CursorDiv.style.display = 'block';
		resizeableTF.cancelEvent(e);
	},

	deactivate: function () {
		resizeableTF.isresizing = false;
		var elem = resizeableTF.curTF.parentNode;
		// if (elem.tagName.toLowerCase() == 'td' || elem.tagName.toLowerCase() == 'th') {
			// while (elem.tagName.toLowerCase() != 'table') elem = elem.parentNode;
		// }
		elem.style.minWidth  = resizeableTF.storedDim[0];
		elem.style.minHeight = resizeableTF.storedDim[1];
		// elem.style.width     = resizeableTF.storedDim[2];
		// elem.style.height    = resizeableTF.storedDim[3];
		resizeableTF.doc.removeEventListener('mouseup', resizeableTF.deactivate, true);
		resizeableTF.posdiv();
		switch(resizeableTF.curTarget){
			case 'resizeableTFgripH':
				resizeableTF.doc.removeEventListener('mousemove', resizeableTF.resizeta_h, true);
				resizeableTF.doc.removeEventListener('draggesture', resizeableTF.cancelEvent, true);
				resizeableTF.doc.removeEventListener('dragstart', resizeableTF.cancelEvent, true);
				resizeableTF.doc.removeEventListener('select', resizeableTF.cancelEvent, true);
				break;
			case 'resizeableTFgripV':
				resizeableTF.doc.removeEventListener('mousemove', resizeableTF.resizeta_v, true);
				resizeableTF.doc.removeEventListener('draggesture', resizeableTF.cancelEvent, true);
				resizeableTF.doc.removeEventListener('dragstart', resizeableTF.cancelEvent, true);
				resizeableTF.doc.removeEventListener('select', resizeableTF.cancelEvent, true);
				break;
			case 'resizeableTFgripX':
				resizeableTF.doc.removeEventListener('mousemove', resizeableTF.resizeta_x, true);
				resizeableTF.doc.removeEventListener('draggesture', resizeableTF.cancelEvent, true);
				resizeableTF.doc.removeEventListener('dragstart', resizeableTF.cancelEvent, true);
				resizeableTF.doc.removeEventListener('select', resizeableTF.cancelEvent, true);
				break;
		}
		resizeableTF.CursorDiv.style.width = '0';
		resizeableTF.CursorDiv.style.height = '0';
		resizeableTF.CursorDiv.style.display = 'none';
	},

	hidedivs: function () {
		if (resizeableTF.isshown && !resizeableTF.isresizing) {
			var k = resizeableTF.TF.length;
			while (k--) {
				resizeableTF.curTF_Nr = k;
				resizeableTF.hidediv();
			}
			resizeableTF.isshown = false;
		}
	},

	hidediv: function (e) {
		if (resizeableTF.isshown && !resizeableTF.isresizing) {
			try {
				if (e && e.relatedTarget && e.relatedTarget.id && e.relatedTarget.id.indexOf('resizeableTFgrip') == 0) return;
			}
			catch (exception) {
			};
			var k = resizeableTF.curTF_Nr;
			if (k != undefined && !resizeableTF.isresizing) {
				var grip = resizeableTF.doc.getElementById('resizeableTFgripH_' + k);
				grip.style.display = 'none';
				if (grip = resizeableTF.doc.getElementById('resizeableTFgripV_' + k))
					grip.style.display = 'none';
				if (grip = resizeableTF.doc.getElementById('resizeableTFgripX_' + k))
					grip.style.display = 'none';
				resizeableTF.curTF_Nr = undefined;
			}
		}
	},

	cancelEvent: function (e) {
		e.preventDefault();
		e.stopPropagation();
	},

	resizeta_h: function (e) {
		var curPos = resizeableTF.getposition(resizeableTF.curTF_Nr);
		resizeableTF.curTF.style.minWidth  = Math.max(25, e.pageX - resizeableTF.offset[0] - curPos[0]) + 'px';
		resizeableTF.curTF.style.width     = Math.max(25, e.pageX - resizeableTF.offset[0] - curPos[0]) + 'px';
		resizeableTF.cancelEvent(e);
	},

	resizeta_v: function (e) {
		var curPos = resizeableTF.getposition(resizeableTF.curTF_Nr);
		resizeableTF.curTF.style.minHeight = Math.max(resizeableTF.TF_lineheights[resizeableTF.curTF_Nr], e.pageY - resizeableTF.offset[1] - curPos[1]) + 'px';
		resizeableTF.curTF.style.height    = Math.max(resizeableTF.TF_lineheights[resizeableTF.curTF_Nr], e.pageY - resizeableTF.offset[1] - curPos[1]) + 'px';
		resizeableTF.cancelEvent(e);
	},

	resizeta_x: function (e) {
		var curPos = resizeableTF.getposition(resizeableTF.curTF_Nr);
		resizeableTF.curTF.style.minWidth  = Math.max(25, e.pageX - resizeableTF.offset[0] - curPos[0]) + 'px';
		resizeableTF.curTF.style.width     = Math.max(25, e.pageX - resizeableTF.offset[0] - curPos[0]) + 'px';
		resizeableTF.curTF.style.minHeight = Math.max(resizeableTF.TF_lineheights[resizeableTF.curTF_Nr], e.pageY - resizeableTF.offset[1] - curPos[1]) + 'px';
		resizeableTF.curTF.style.height    = Math.max(resizeableTF.TF_lineheights[resizeableTF.curTF_Nr], e.pageY - resizeableTF.offset[1] - curPos[1]) + 'px';
		resizeableTF.cancelEvent(e);
	}
};

window.addEventListener('load', resizeableTF.pageload, true);
resizeableTF.pageload();