147 lines
4.6 KiB
JavaScript
147 lines
4.6 KiB
JavaScript
var toShow = new Array();
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var toHide = new Array();
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var COOKIE_PREFIX = "PatternEdit";
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var COOKIE_EXPIRES = 365; // days
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var EDITBOX_ID = "topic";
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var SIGNATURE_BOX_ID = "sig";
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var EDITBOX_HOLDER_ID = "formHolder";
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// edit box rows
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var EDITBOX_COOKIE_ROWS_ID = "TextareaRows";
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var EDITBOX_CHANGE_STEP_SIZE = 4;
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var EDITBOX_MIN_ROWCOUNT = 4;
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// edit box font style
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var EDITBOX_COOKIE_FONTSTYLE_ID = "TextareaFontStyle";
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var EDITBOX_FONTSTYLE_MONO = "mono";
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var EDITBOX_FONTSTYLE_PROPORTIONAL = "proportional";
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var EDITBOX_FONTSTYLE_MONO_STYLE = "twikiEditboxStyleMono";
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var EDITBOX_FONTSTYLE_PROPORTIONAL_STYLE = "twikiEditboxStyleProportional";
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var EDITBOX_COOKIE_FONTSTYLE_ID = "TextareaFontstyle";
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function initForm() {
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try { document.main.text.focus(); } catch (er) {}
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initTextAreaHeight();
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initTextAreaFontStyle();
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unhideTextArea();
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var i, ilen = toShow.length;
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var elem;
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for (i = 0; i < ilen; ++i) {
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if (dom) {
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elem = document.getElementById(toShow[i]);
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if (elem) elem.style.display="inline";
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} else if (ie4) {
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document.all[toShow[i]].style.display="inline";
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} else if (ns4) {
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document.layers[toShow[i]].style.display="inline";
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}
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}
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ilen = toHide.length;
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for ( i = 0; i < toHide.length; ++i) {
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if (dom) {
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elem = document.getElementById(toHide[i]);
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if (elem) elem.style.display="none";
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} else if (ie4) {
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document.all[toHide[i]].style.display="none";
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} else if (ns4) {
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document.layers[toHide[i]].style.display="none";
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}
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}
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}
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/**
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Sets the height of the edit box to height read from cookie.
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*/
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function initTextAreaHeight() {
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var cookie = readCookie(COOKIE_PREFIX + EDITBOX_COOKIE_ROWS_ID);
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if (!cookie) return;
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setEditBoxHeight( parseInt(cookie) );
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}
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/**
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Sets the font style (monospace or proportional space) of the edit box to style read from cookie.
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*/
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function initTextAreaFontStyle() {
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var cookie = readCookie(COOKIE_PREFIX + EDITBOX_COOKIE_FONTSTYLE_ID);
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if (!cookie) return;
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setEditBoxFontStyle( cookie );
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}
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/**
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Now that all edit box properties have been set, the hidden text area holder may unhide.
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*/
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function unhideTextArea() {
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var elem = document.getElementById(EDITBOX_HOLDER_ID);
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if (elem) elem.style.display = "block";
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}
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/**
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Disables the use of ESCAPE in the edit box, because some browsers will interpret this as cancel and will remove all changes.
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*/
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function handleKeyDown(e) {
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if (!e) e = window.event;
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var code;
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if (e.keyCode) code = e.keyCode;
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if (code==27) return false;
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return true;
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}
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function checkAll( theButton, theButtonOffset, theNum, theCheck ) {
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// find button element index
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var i, j = 0;
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for (i = 0; i <= document.main.length; ++i) {
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if( theButton == document.main.elements[i] ) {
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j = i;
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break;
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}
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}
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// set/clear all checkboxes
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var last = j+theButtonOffset+theNum;
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for(i = last-theNum; i < last; ++i) {
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document.main.elements[i].checked = theCheck;
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}
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}
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/**
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Changes the height of the editbox textarea.
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param inDirection : -1 (decrease) or 1 (increase).
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If the new height is smaller than EDITBOX_MIN_ROWCOUNT the height will become EDITBOX_MIN_ROWCOUNT.
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Each change is written to a cookie.
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*/
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function changeEditBox(inDirection) {
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var rowCount = document.getElementById(EDITBOX_ID).rows;
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rowCount += (inDirection * EDITBOX_CHANGE_STEP_SIZE);
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rowCount = (rowCount < EDITBOX_MIN_ROWCOUNT) ? EDITBOX_MIN_ROWCOUNT : rowCount;
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setEditBoxHeight(rowCount);
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writeCookie(COOKIE_PREFIX + EDITBOX_COOKIE_ROWS_ID, rowCount, COOKIE_EXPIRES);
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return false;
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}
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/**
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Sets the height of the exit box text area.
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param inRowCount: the number of rows
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*/
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function setEditBoxHeight(inRowCount) {
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document.getElementById(EDITBOX_ID).rows = inRowCount;
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}
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/**
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Sets the font style of the edit box and the signature box. The change is written to a cookie.
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param inFontStyle: either EDITBOX_FONTSTYLE_MONO or EDITBOX_FONTSTYLE_PROPORTIONAL
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*/
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function setEditBoxFontStyle(inFontStyle) {
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if (inFontStyle == EDITBOX_FONTSTYLE_MONO) {
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replaceClass(document.getElementById(EDITBOX_ID), EDITBOX_FONTSTYLE_PROPORTIONAL_STYLE, EDITBOX_FONTSTYLE_MONO_STYLE);
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replaceClass(document.getElementById(SIGNATURE_BOX_ID), EDITBOX_FONTSTYLE_PROPORTIONAL_STYLE, EDITBOX_FONTSTYLE_MONO_STYLE);
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writeCookie(COOKIE_PREFIX + EDITBOX_COOKIE_FONTSTYLE_ID, inFontStyle, COOKIE_EXPIRES);
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return;
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}
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if (inFontStyle == EDITBOX_FONTSTYLE_PROPORTIONAL) {
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replaceClass(document.getElementById(EDITBOX_ID), EDITBOX_FONTSTYLE_MONO_STYLE, EDITBOX_FONTSTYLE_PROPORTIONAL_STYLE);
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replaceClass(document.getElementById(SIGNATURE_BOX_ID), EDITBOX_FONTSTYLE_MONO_STYLE, EDITBOX_FONTSTYLE_PROPORTIONAL_STYLE);
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writeCookie(COOKIE_PREFIX + EDITBOX_COOKIE_FONTSTYLE_ID, inFontStyle, COOKIE_EXPIRES);
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return;
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}
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}
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addLoadEvent(initForm); |