wikibits.js

许多同学在配制OpenCV时都遇到一些问题

     changeText(toggleLink, tocHideText);
 		toc.style.display = 'block';
     document.cookie = "hidetoc=0";
	} else {
    changeText(toggleLink, tocShowText);
		toc.style.display = 'none';
    document.cookie = "hidetoc=1";
	}
}

// this function generates the actual toolbar buttons with localized text
// we use it to avoid creating the toolbar where javascript is not enabled
function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText) {

	imageFile=escapeQuotesHTML(imageFile);
	speedTip=escapeQuotesHTML(speedTip);
	tagOpen=escapeQuotes(tagOpen);
	tagClose=escapeQuotes(tagClose);
	sampleText=escapeQuotes(sampleText);
	var mouseOver="";

	// we can't change the selection, so we show example texts
	// when moving the mouse instead, until the first button is clicked
	if(!document.selection && !is_gecko) {
		// filter backslashes so it can be shown in the infobox
		var re=new RegExp("\\\\n","g");
		tagOpen=tagOpen.replace(re,"");
		tagClose=tagClose.replace(re,"");
		mouseOver = "onMouseover=\"if(!noOverwrite){document.infoform.infobox.value='"+tagOpen+sampleText+tagClose+"'};\"";
	}

	document.write("<a href=\"javascript:insertTags");
	document.write("('"+tagOpen+"','"+tagClose+"','"+sampleText+"');\">");

	document.write("<img width=\"23\" height=\"22\" src=\""+imageFile+"\" border=\"0\" alt=\""+speedTip+"\" title=\""+speedTip+"\""+mouseOver+">");
	document.write("</a>");
	return;
}

function addInfobox(infoText,text_alert) {
	alertText=text_alert;
	var clientPC = navigator.userAgent.toLowerCase(); // Get client info

	var re=new RegExp("\\\\n","g");
	alertText=alertText.replace(re,"\n");

	// if no support for changing selection, add a small copy & paste field
	// document.selection is an IE-only property. The full toolbar works in IE and
	// Gecko-based browsers.
	if(!document.selection && !is_gecko) {
 		infoText=escapeQuotesHTML(infoText);
	 	document.write("<form name='infoform' id='infoform'>"+
			"<input size=80 id='infobox' name='infobox' value=\""+
			infoText+"\" readonly='readonly'></form>");
 	}

}

function escapeQuotes(text) {
	var re=new RegExp("'","g");
	text=text.replace(re,"\\'");
	re=new RegExp("\\n","g");
	text=text.replace(re,"\\n");
	return escapeQuotesHTML(text);
}

function escapeQuotesHTML(text) {
	var re=new RegExp('&',"g");
	text=text.replace(re,"&amp;");
	var re=new RegExp('"',"g");
	text=text.replace(re,"&quot;");
	var re=new RegExp('<',"g");
	text=text.replace(re,"&lt;");
	var re=new RegExp('>',"g");
	text=text.replace(re,"&gt;");
	return text;
}

// apply tagOpen/tagClose to selection in textarea,
// use sampleText instead of selection if there is none
// copied and adapted from phpBB
function insertTags(tagOpen, tagClose, sampleText) {

	var txtarea = document.editform.wpTextbox1;
	// IE
	if(document.selection  && !is_gecko) {
		var theSelection = document.selection.createRange().text;
		if(!theSelection) { theSelection=sampleText;}
		txtarea.focus();
		if(theSelection.charAt(theSelection.length - 1) == " "){// exclude ending space char, if any
			theSelection = theSelection.substring(0, theSelection.length - 1);
			document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
		} else {
			document.selection.createRange().text = tagOpen + theSelection + tagClose;
		}

	// Mozilla
	} else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
 		var startPos = txtarea.selectionStart;
		var endPos = txtarea.selectionEnd;
		var scrollTop=txtarea.scrollTop;
		var myText = (txtarea.value).substring(startPos, endPos);
		if(!myText) { myText=sampleText;}
		if(myText.charAt(myText.length - 1) == " "){ // exclude ending space char, if any
			subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
		} else {
			subst = tagOpen + myText + tagClose;
		}
		txtarea.value = txtarea.value.substring(0, startPos) + subst +
		  txtarea.value.substring(endPos, txtarea.value.length);
		txtarea.focus();

		var cPos=startPos+(tagOpen.length+myText.length+tagClose.length);
		txtarea.selectionStart=cPos;
		txtarea.selectionEnd=cPos;
		txtarea.scrollTop=scrollTop;

	// All others
	} else {
		var copy_alertText=alertText;
		var re1=new RegExp("\\$1","g");
		var re2=new RegExp("\\$2","g");
		copy_alertText=copy_alertText.replace(re1,sampleText);
		copy_alertText=copy_alertText.replace(re2,tagOpen+sampleText+tagClose);
		var text;
		if (sampleText) {
			text=prompt(copy_alertText);
		} else {
			text="";
		}
		if(!text) { text=sampleText;}
		text=tagOpen+text+tagClose;
		document.infoform.infobox.value=text;
		// in Safari this causes scrolling
		if(!is_safari) {
			txtarea.focus();
		}
		noOverwrite=true;
	}
	// reposition cursor if possible
	if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate();
}

function akeytt() {
    if(typeof ta == "undefined" || !ta) return;
    pref = 'alt-';
    if(is_safari || navigator.userAgent.toLowerCase().indexOf( 'mac' ) + 1 ) pref = 'control-';
    if(is_opera) pref = 'shift-esc-';
    for(id in ta) {
        n = document.getElementById(id);
        if(n){
            a = n.childNodes[0];
            if(a){
                if(ta[id][0].length > 0) {
                    a.accessKey = ta[id][0];
                    ak = ' ['+pref+ta[id][0]+']';
                } else {
                    ak = '';
                }
                a.title = ta[id][1]+ak;
            } else {
                if(ta[id][0].length > 0) {
                    n.accessKey = ta[id][0];
                    ak = ' ['+pref+ta[id][0]+']';
                } else {
                    ak = '';
                }
                n.title = ta[id][1]+ak;
            }
        }
    }
}

function setupRightClickEdit() {
	if( document.getElementsByTagName ) {
		var divs = document.getElementsByTagName( 'div' );
		for( var i = 0; i < divs.length; i++ ) {
			var el = divs[i];
			if( el.className == 'editsection' ) {
				addRightClickEditHandler( el );
			}
		}
	}
}

function addRightClickEditHandler( el ) {
	for( var i = 0; i < el.childNodes.length; i++ ) {
		var link = el.childNodes[i];
		if( link.nodeType == 1 && link.nodeName.toLowerCase() == 'a' ) {
			var editHref = link.getAttribute( 'href' );
			
			// find the following a
			var next = el.nextSibling;
			while( next.nodeType != 1 )
				next = next.nextSibling;
			
			// find the following header
			next = next.nextSibling;
			while( next.nodeType != 1 )
				next = next.nextSibling;
			
			if( next && next.nodeType == 1 &&
				next.nodeName.match( /^[Hh][1-6]$/ ) ) {
				next.oncontextmenu = function() {
					document.location = editHref;
					return false;
				}
			}
		}
	}
}

function fillDestFilename() {
	if (!document.getElementById) return;
	var path = document.getElementById('wpUploadFile').value;
	// Find trailing part
	var slash = path.lastIndexOf( '/' );
	var backslash = path.lastIndexOf( '\\' );
	var fname;
	if ( slash == -1 && backslash == -1 ) {
		fname = path;
	} else if ( slash > backslash ) {
		fname = path.substring( slash+1, 10000 );
	} else {
		fname = path.substring( backslash+1, 10000 );
	}

	// Capitalise first letter and replace spaces by underscores
	fname = fname.charAt(0).toUpperCase().concat(fname.substring(1,10000)).replace( / /g, '_' );

	// Output result
	var destFile = document.getElementById('wpDestFile');
	if (destFile) destFile.value = fname;
}
	

function considerChangingExpiryFocus() {
	if (!document.getElementById) return;
	var drop = document.getElementById('wpBlockExpiry');
	if (!drop) return;
	var field = document.getElementById('wpBlockOther');
	if (!field) return;
	var opt = drop.value;
	if (opt == 'other')
		field.style.display = '';
	else
		field.style.display = 'none';
}