Ado
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public/vendor/pagedown/Markdown.Editor.js view on Meta::CPAN
if ((event.ctrlKey || event.metaKey) && !event.altKey) {
// IE and Opera do not support charCode.
var keyCode = event.charCode || event.keyCode;
var keyCodeChar = String.fromCharCode(keyCode);
switch (keyCodeChar.toLowerCase()) {
case "y":
undoObj.redo();
handled = true;
break;
case "z":
if (!event.shiftKey) {
undoObj.undo();
}
else {
undoObj.redo();
}
handled = true;
break;
}
}
if (handled) {
if (event.preventDefault) {
event.preventDefault();
}
if (window.event) {
window.event.returnValue = false;
}
return;
}
};
// Set the mode depending on what is going on in the input area.
var handleModeChange = function (event) {
if (!event.ctrlKey && !event.metaKey) {
var keyCode = event.keyCode;
if ((keyCode >= 33 && keyCode <= 40) || (keyCode >= 63232 && keyCode <= 63235)) {
// 33 - 40: page up/dn and arrow keys
// 63232 - 63235: page up/dn and arrow keys on safari
setMode("moving");
}
else if (keyCode == 8 || keyCode == 46 || keyCode == 127) {
// 8: backspace
// 46: delete
// 127: delete
setMode("deleting");
}
else if (keyCode == 13) {
// 13: Enter
setMode("newlines");
}
else if (keyCode == 27) {
// 27: escape
setMode("escape");
}
else if ((keyCode < 16 || keyCode > 20) && keyCode != 91) {
// 16-20 are shift, etc.
// 91: left window key
// I think this might be a little messed up since there are
// a lot of nonprinting keys above 20.
setMode("typing");
}
}
};
var setEventHandlers = function () {
util.addEvent(panels.input, "keypress", function (event) {
// keyCode 89: y
// keyCode 90: z
if ((event.ctrlKey || event.metaKey) && !event.altKey && (event.keyCode == 89 || event.keyCode == 90)) {
event.preventDefault();
}
});
var handlePaste = function () {
if (uaSniffed.isIE || (inputStateObj && inputStateObj.text != panels.input.value)) {
if (timer == undefined) {
mode = "paste";
saveState();
refreshState();
}
}
};
util.addEvent(panels.input, "keydown", handleCtrlYZ);
util.addEvent(panels.input, "keydown", handleModeChange);
util.addEvent(panels.input, "mousedown", function () {
setMode("moving");
});
panels.input.onpaste = handlePaste;
panels.input.ondrop = handlePaste;
};
var init = function () {
setEventHandlers();
refreshState(true);
saveState();
};
init();
}
// end of UndoManager
// The input textarea state/contents.
// This is used to implement undo/redo by the undo manager.
function TextareaState(panels, isInitialState) {
// Aliases
var stateObj = this;
var inputArea = panels.input;
this.init = function () {
if (!util.isVisible(inputArea)) {
public/vendor/pagedown/Markdown.Editor.js view on Meta::CPAN
// sure the URL and the optinal title are "nice".
function properlyEncoded(linkdef) {
return linkdef.replace(/^\s*(.*?)(?:\s+"(.+)")?\s*$/, function (wholematch, link, title) {
link = link.replace(/\?.*$/, function (querypart) {
return querypart.replace(/\+/g, " "); // in the query string, a plus and a space are identical
});
link = decodeURIComponent(link); // unencode first, to prevent double encoding
link = encodeURI(link).replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29');
link = link.replace(/\?.*$/, function (querypart) {
return querypart.replace(/\+/g, "%2b"); // since we replaced plus with spaces in the query part, all pluses that now appear where originally encoded
});
if (title) {
title = title.trim ? title.trim() : title.replace(/^\s*/, "").replace(/\s*$/, "");
title = title.replace(/"/g, "quot;").replace(/\(/g, "(").replace(/\)/g, ")").replace(/</g, "<").replace(/>/g, ">");
}
return title ? link + ' "' + title + '"' : link;
});
}
commandProto.doLinkOrImage = function (chunk, postProcessing, isImage) {
chunk.trimWhitespace();
chunk.findTags(/\s*!?\[/, /\][ ]?(?:\n[ ]*)?(\[.*?\])?/);
var background;
if (chunk.endTag.length > 1 && chunk.startTag.length > 0) {
chunk.startTag = chunk.startTag.replace(/!?\[/, "");
chunk.endTag = "";
this.addLinkDef(chunk, null);
}
else {
// We're moving start and end tag back into the selection, since (as we're in the else block) we're not
// *removing* a link, but *adding* one, so whatever findTags() found is now back to being part of the
// link text. linkEnteredCallback takes care of escaping any brackets.
chunk.selection = chunk.startTag + chunk.selection + chunk.endTag;
chunk.startTag = chunk.endTag = "";
if (/\n\n/.test(chunk.selection)) {
this.addLinkDef(chunk, null);
return;
}
var that = this;
// The function to be executed when you enter a link and press OK or Cancel.
// Marks up the link and adds the ref.
var linkEnteredCallback = function (link) {
background.parentNode.removeChild(background);
if (link !== null) {
// ( $1
// [^\\] anything that's not a backslash
// (?:\\\\)* an even number (this includes zero) of backslashes
// )
// (?= followed by
// [[\]] an opening or closing bracket
// )
//
// In other words, a non-escaped bracket. These have to be escaped now to make sure they
// don't count as the end of the link or similar.
// Note that the actual bracket has to be a lookahead, because (in case of to subsequent brackets),
// the bracket in one match may be the "not a backslash" character in the next match, so it
// should not be consumed by the first match.
// The "prepend a space and finally remove it" steps makes sure there is a "not a backslash" at the
// start of the string, so this also works if the selection begins with a bracket. We cannot solve
// this by anchoring with ^, because in the case that the selection starts with two brackets, this
// would mean a zero-width match at the start. Since zero-width matches advance the string position,
// the first bracket could then not act as the "not a backslash" for the second.
chunk.selection = (" " + chunk.selection).replace(/([^\\](?:\\\\)*)(?=[[\]])/g, "$1\\").substr(1);
var linkDef = " [999]: " + properlyEncoded(link);
var num = that.addLinkDef(chunk, linkDef);
chunk.startTag = isImage ? "![" : "[";
chunk.endTag = "][" + num + "]";
if (!chunk.selection) {
if (isImage) {
chunk.selection = that.getString("imagedescription");
}
else {
chunk.selection = that.getString("linkdescription");
}
}
}
postProcessing();
};
background = ui.createBackground();
if (isImage) {
if (!this.hooks.insertImageDialog(linkEnteredCallback))
ui.prompt(this.getString("imagedialog"), imageDefaultText, linkEnteredCallback);
}
else {
ui.prompt(this.getString("linkdialog"), linkDefaultText, linkEnteredCallback);
}
return true;
}
};
// When making a list, hitting shift-enter will put your cursor on the next line
// at the current indent level.
commandProto.doAutoindent = function (chunk, postProcessing) {
var commandMgr = this,
fakeSelection = false;
chunk.before = chunk.before.replace(/(\n|^)[ ]{0,3}([*+-]|\d+[.])[ \t]*\n$/, "\n\n");
chunk.before = chunk.before.replace(/(\n|^)[ ]{0,3}>[ \t]*\n$/, "\n\n");
chunk.before = chunk.before.replace(/(\n|^)[ \t]+\n$/, "\n\n");
// There's no selection, end the cursor wasn't at the end of the line:
// The user wants to split the current list item / code line / blockquote line
// (for the latter it doesn't really matter) in two. Temporarily select the
// (rest of the) line to achieve this.
if (!chunk.selection && !/^[ \t]*(?:\n|$)/.test(chunk.after)) {
chunk.after = chunk.after.replace(/^[^\n]*/, function (wholeMatch) {
chunk.selection = wholeMatch;
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