722 lines
20 KiB
JavaScript
722 lines
20 KiB
JavaScript
![]() |
// JQuery Console 1.0
|
||
|
// Sun Feb 21 20:28:47 GMT 2010
|
||
|
//
|
||
|
// Copyright 2010 Chris Done, Simon David Pratt. All rights reserved.
|
||
|
//
|
||
|
// Redistribution and use in source and binary forms, with or without
|
||
|
// modification, are permitted provided that the following conditions
|
||
|
// are met:
|
||
|
//
|
||
|
// 1. Redistributions of source code must retain the above
|
||
|
// copyright notice, this list of conditions and the following
|
||
|
// disclaimer.
|
||
|
//
|
||
|
// 2. Redistributions in binary form must reproduce the above
|
||
|
// copyright notice, this list of conditions and the following
|
||
|
// disclaimer in the documentation and/or other materials
|
||
|
// provided with the distribution.
|
||
|
//
|
||
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||
|
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||
|
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||
|
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||
|
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||
|
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||
|
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||
|
// POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
||
|
// TESTED ON
|
||
|
// Internet Explorer 6
|
||
|
// Opera 10.01
|
||
|
// Chromium 4.0.237.0 (Ubuntu build 31094)
|
||
|
// Firefox 3.5.8, 3.6.2 (Mac)
|
||
|
// Safari 4.0.5 (6531.22.7) (Mac)
|
||
|
// Google Chrome 5.0.375.55 (Mac)
|
||
|
|
||
|
(function($){
|
||
|
var isWebkit = !!~navigator.userAgent.indexOf(' AppleWebKit/');
|
||
|
|
||
|
$.fn.console = function(config){
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Constants
|
||
|
// Some are enums, data types, others just for optimisation
|
||
|
var keyCodes = {
|
||
|
// left
|
||
|
37: moveBackward,
|
||
|
// right
|
||
|
39: moveForward,
|
||
|
// up
|
||
|
38: previousHistory,
|
||
|
// down
|
||
|
40: nextHistory,
|
||
|
// backspace
|
||
|
8: backDelete,
|
||
|
// delete
|
||
|
46: forwardDelete,
|
||
|
// end
|
||
|
35: moveToEnd,
|
||
|
// start
|
||
|
36: moveToStart,
|
||
|
// return
|
||
|
13: commandTrigger,
|
||
|
// tab
|
||
|
18: doNothing,
|
||
|
// tab
|
||
|
9: doComplete
|
||
|
};
|
||
|
var ctrlCodes = {
|
||
|
// C-a
|
||
|
65: moveToStart,
|
||
|
// C-e
|
||
|
69: moveToEnd,
|
||
|
// C-d
|
||
|
68: forwardDelete,
|
||
|
// C-n
|
||
|
78: nextHistory,
|
||
|
// C-p
|
||
|
80: previousHistory,
|
||
|
// C-b
|
||
|
66: moveBackward,
|
||
|
// C-f
|
||
|
70: moveForward,
|
||
|
// C-k
|
||
|
75: deleteUntilEnd
|
||
|
};
|
||
|
if(config.ctrlCodes) {
|
||
|
$.extend(ctrlCodes, config.ctrlCodes);
|
||
|
}
|
||
|
var altCodes = {
|
||
|
// M-f
|
||
|
70: moveToNextWord,
|
||
|
// M-b
|
||
|
66: moveToPreviousWord,
|
||
|
// M-d
|
||
|
68: deleteNextWord
|
||
|
};
|
||
|
var cursor = '<span class="jquery-console-cursor"> </span>';
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Globals
|
||
|
var container = $(this);
|
||
|
var inner = $('<div class="jquery-console-inner"></div>');
|
||
|
// erjiang: changed this from a text input to a textarea so we
|
||
|
// can get pasted newlines
|
||
|
var typer = $('<textarea class="jquery-console-typer"></textarea>');
|
||
|
// Prompt
|
||
|
var promptBox;
|
||
|
var prompt;
|
||
|
var promptLabel = config && config.promptLabel? config.promptLabel : "> ";
|
||
|
var continuedPromptLabel = config && config.continuedPromptLabel?
|
||
|
config.continuedPromptLabel : "> ";
|
||
|
var column = 0;
|
||
|
var promptText = '';
|
||
|
var restoreText = '';
|
||
|
var continuedText = '';
|
||
|
// Prompt history stack
|
||
|
var history = [];
|
||
|
var ringn = 0;
|
||
|
// For reasons unknown to The Sword of Michael himself, Opera
|
||
|
// triggers and sends a key character when you hit various
|
||
|
// keys like PgUp, End, etc. So there is no way of knowing
|
||
|
// when a user has typed '#' or End. My solution is in the
|
||
|
// typer.keydown and typer.keypress functions; I use the
|
||
|
// variable below to ignore the keypress event if the keydown
|
||
|
// event succeeds.
|
||
|
var cancelKeyPress = 0;
|
||
|
// When this value is false, the prompt will not respond to input
|
||
|
var acceptInput = true;
|
||
|
// When this value is true, the command has been canceled
|
||
|
var cancelCommand = false;
|
||
|
|
||
|
// External exports object
|
||
|
var extern = {};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Main entry point
|
||
|
(function(){
|
||
|
container.append(inner);
|
||
|
inner.append(typer);
|
||
|
typer.css({position:'absolute',top:0,left:'-9999px'});
|
||
|
if (config.welcomeMessage)
|
||
|
message(config.welcomeMessage,'jquery-console-welcome');
|
||
|
newPromptBox();
|
||
|
if (config.autofocus) {
|
||
|
inner.addClass('jquery-console-focus');
|
||
|
typer.focus();
|
||
|
setTimeout(function(){
|
||
|
inner.addClass('jquery-console-focus');
|
||
|
typer.focus();
|
||
|
},100);
|
||
|
}
|
||
|
extern.inner = inner;
|
||
|
extern.typer = typer;
|
||
|
extern.scrollToBottom = scrollToBottom;
|
||
|
})();
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Reset terminal
|
||
|
extern.reset = function(){
|
||
|
var welcome = (typeof config.welcomeMessage != 'undefined');
|
||
|
inner.parent().fadeOut(function(){
|
||
|
inner.find('div').each(function(){
|
||
|
if (!welcome) {
|
||
|
$(this).remove();
|
||
|
} else {
|
||
|
welcome = false;
|
||
|
}
|
||
|
});
|
||
|
newPromptBox();
|
||
|
inner.parent().fadeIn(function(){
|
||
|
inner.addClass('jquery-console-focus');
|
||
|
typer.focus();
|
||
|
});
|
||
|
});
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Reset terminal
|
||
|
extern.notice = function(msg,style){
|
||
|
var n = $('<div class="notice"></div>').append($('<div></div>').text(msg))
|
||
|
.css({visibility:'hidden'});
|
||
|
container.append(n);
|
||
|
var focused = true;
|
||
|
if (style=='fadeout')
|
||
|
setTimeout(function(){
|
||
|
n.fadeOut(function(){
|
||
|
n.remove();
|
||
|
});
|
||
|
},4000);
|
||
|
else if (style=='prompt') {
|
||
|
var a = $('<br/><div class="action"><a href="javascript:">OK</a><div class="clear"></div></div>');
|
||
|
n.append(a);
|
||
|
focused = false;
|
||
|
a.click(function(){ n.fadeOut(function(){ n.remove();inner.css({opacity:1}) }); });
|
||
|
}
|
||
|
var h = n.height();
|
||
|
n.css({height:'0px',visibility:'visible'})
|
||
|
.animate({height:h+'px'},function(){
|
||
|
if (!focused) inner.css({opacity:0.5});
|
||
|
});
|
||
|
n.css('cursor','default');
|
||
|
return n;
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Make a new prompt box
|
||
|
function newPromptBox() {
|
||
|
column = 0;
|
||
|
promptText = '';
|
||
|
ringn = 0; // Reset the position of the history ring
|
||
|
enableInput();
|
||
|
promptBox = $('<div class="jquery-console-prompt-box"></div>');
|
||
|
var label = $('<span class="jquery-console-prompt-label"></span>');
|
||
|
var labelText = extern.continuedPrompt? continuedPromptLabel : promptLabel;
|
||
|
promptBox.append(label.text(labelText).show());
|
||
|
label.html(label.html().replace(' ',' '));
|
||
|
prompt = $('<span class="jquery-console-prompt"></span>');
|
||
|
promptBox.append(prompt);
|
||
|
inner.append(promptBox);
|
||
|
updatePromptDisplay();
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Handle setting focus
|
||
|
container.click(function(){
|
||
|
inner.addClass('jquery-console-focus');
|
||
|
inner.removeClass('jquery-console-nofocus');
|
||
|
if (isWebkit) {
|
||
|
typer.focusWithoutScrolling();
|
||
|
} else {
|
||
|
typer.css('position', 'fixed').focus();
|
||
|
}
|
||
|
scrollToBottom();
|
||
|
return false;
|
||
|
});
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Handle losing focus
|
||
|
typer.blur(function(){
|
||
|
inner.removeClass('jquery-console-focus');
|
||
|
inner.addClass('jquery-console-nofocus');
|
||
|
});
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Bind to the paste event of the input box so we know when we
|
||
|
// get pasted data
|
||
|
typer.bind('paste', function(e) {
|
||
|
// wipe typer input clean just in case
|
||
|
typer.val("");
|
||
|
// this timeout is required because the onpaste event is
|
||
|
// fired *before* the text is actually pasted
|
||
|
setTimeout(function() {
|
||
|
typer.consoleInsert(typer.val());
|
||
|
typer.val("");
|
||
|
}, 0);
|
||
|
});
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Handle key hit before translation
|
||
|
// For picking up control characters like up/left/down/right
|
||
|
|
||
|
typer.keydown(function(e){
|
||
|
cancelKeyPress = 0;
|
||
|
var keyCode = e.keyCode;
|
||
|
// C-c: cancel the execution
|
||
|
if(e.ctrlKey && keyCode == 67) {
|
||
|
cancelKeyPress = keyCode;
|
||
|
cancelExecution();
|
||
|
return false;
|
||
|
}
|
||
|
if (acceptInput) {
|
||
|
if (keyCode in keyCodes) {
|
||
|
cancelKeyPress = keyCode;
|
||
|
(keyCodes[keyCode])();
|
||
|
return false;
|
||
|
} else if (e.ctrlKey && keyCode in ctrlCodes) {
|
||
|
cancelKeyPress = keyCode;
|
||
|
(ctrlCodes[keyCode])();
|
||
|
return false;
|
||
|
} else if (e.altKey && keyCode in altCodes) {
|
||
|
cancelKeyPress = keyCode;
|
||
|
(altCodes[keyCode])();
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
});
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Handle key press
|
||
|
typer.keypress(function(e){
|
||
|
var keyCode = e.keyCode || e.which;
|
||
|
if (isIgnorableKey(e)) {
|
||
|
return false;
|
||
|
}
|
||
|
// C-v: don't insert on paste event
|
||
|
if ((e.ctrlKey || e.metaKey) && String.fromCharCode(keyCode).toLowerCase() == 'v') {
|
||
|
return true;
|
||
|
}
|
||
|
if (acceptInput && cancelKeyPress != keyCode && keyCode >= 32){
|
||
|
if (cancelKeyPress) return false;
|
||
|
if (
|
||
|
typeof config.charInsertTrigger == 'undefined' || (
|
||
|
typeof config.charInsertTrigger == 'function' &&
|
||
|
config.charInsertTrigger(keyCode,promptText)
|
||
|
)
|
||
|
){
|
||
|
typer.consoleInsert(keyCode);
|
||
|
}
|
||
|
}
|
||
|
if (isWebkit) return false;
|
||
|
});
|
||
|
|
||
|
function isIgnorableKey(e) {
|
||
|
// for now just filter alt+tab that we receive on some platforms when
|
||
|
// user switches windows (goes away from the browser)
|
||
|
return ((e.keyCode == keyCodes.tab || e.keyCode == 192) && e.altKey);
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Rotate through the command history
|
||
|
function rotateHistory(n){
|
||
|
if (history.length == 0) return;
|
||
|
ringn += n;
|
||
|
if (ringn < 0) ringn = history.length;
|
||
|
else if (ringn > history.length) ringn = 0;
|
||
|
var prevText = promptText;
|
||
|
if (ringn == 0) {
|
||
|
promptText = restoreText;
|
||
|
} else {
|
||
|
promptText = history[ringn - 1];
|
||
|
}
|
||
|
if (config.historyPreserveColumn) {
|
||
|
if (promptText.length < column + 1) {
|
||
|
column = promptText.length;
|
||
|
} else if (column == 0) {
|
||
|
column = promptText.length;
|
||
|
}
|
||
|
} else {
|
||
|
column = promptText.length;
|
||
|
}
|
||
|
updatePromptDisplay();
|
||
|
};
|
||
|
|
||
|
function previousHistory() {
|
||
|
rotateHistory(-1);
|
||
|
};
|
||
|
|
||
|
function nextHistory() {
|
||
|
rotateHistory(1);
|
||
|
};
|
||
|
|
||
|
// Add something to the history ring
|
||
|
function addToHistory(line){
|
||
|
history.push(line);
|
||
|
restoreText = '';
|
||
|
};
|
||
|
|
||
|
// Delete the character at the current position
|
||
|
function deleteCharAtPos(){
|
||
|
if (column < promptText.length){
|
||
|
promptText =
|
||
|
promptText.substring(0,column) +
|
||
|
promptText.substring(column+1);
|
||
|
restoreText = promptText;
|
||
|
return true;
|
||
|
} else return false;
|
||
|
};
|
||
|
|
||
|
function backDelete() {
|
||
|
if (moveColumn(-1)){
|
||
|
deleteCharAtPos();
|
||
|
updatePromptDisplay();
|
||
|
}
|
||
|
};
|
||
|
|
||
|
function forwardDelete() {
|
||
|
if (deleteCharAtPos()){
|
||
|
updatePromptDisplay();
|
||
|
}
|
||
|
};
|
||
|
|
||
|
function deleteUntilEnd() {
|
||
|
while(deleteCharAtPos()) {
|
||
|
updatePromptDisplay();
|
||
|
}
|
||
|
};
|
||
|
|
||
|
function deleteNextWord() {
|
||
|
// A word is defined within this context as a series of alphanumeric
|
||
|
// characters.
|
||
|
// Delete up to the next alphanumeric character
|
||
|
while(
|
||
|
column < promptText.length &&
|
||
|
!isCharAlphanumeric(promptText[column])
|
||
|
) {
|
||
|
deleteCharAtPos();
|
||
|
updatePromptDisplay();
|
||
|
}
|
||
|
// Then, delete until the next non-alphanumeric character
|
||
|
while(
|
||
|
column < promptText.length &&
|
||
|
isCharAlphanumeric(promptText[column])
|
||
|
) {
|
||
|
deleteCharAtPos();
|
||
|
updatePromptDisplay();
|
||
|
}
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Validate command and trigger it if valid, or show a validation error
|
||
|
function commandTrigger() {
|
||
|
var line = promptText;
|
||
|
if (typeof config.commandValidate == 'function') {
|
||
|
var ret = config.commandValidate(line);
|
||
|
if (ret == true || ret == false) {
|
||
|
if (ret) {
|
||
|
handleCommand();
|
||
|
}
|
||
|
} else {
|
||
|
commandResult(ret,"jquery-console-message-error");
|
||
|
}
|
||
|
} else {
|
||
|
handleCommand();
|
||
|
}
|
||
|
};
|
||
|
|
||
|
// Scroll to the bottom of the view
|
||
|
function scrollToBottom() {
|
||
|
var version = jQuery.fn.jquery.split('.');
|
||
|
var major = parseInt(version[0]);
|
||
|
var minor = parseInt(version[1]);
|
||
|
|
||
|
// check if we're using jquery > 1.6
|
||
|
if ((major == 1 && minor > 6) || major > 1) {
|
||
|
inner.prop({ scrollTop: inner.prop("scrollHeight") });
|
||
|
}
|
||
|
else {
|
||
|
inner.attr({ scrollTop: inner.attr("scrollHeight") });
|
||
|
}
|
||
|
};
|
||
|
|
||
|
function cancelExecution() {
|
||
|
if(typeof config.cancelHandle == 'function') {
|
||
|
config.cancelHandle();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Handle a command
|
||
|
function handleCommand() {
|
||
|
if (typeof config.commandHandle == 'function') {
|
||
|
disableInput();
|
||
|
addToHistory(promptText);
|
||
|
var text = promptText;
|
||
|
if (extern.continuedPrompt) {
|
||
|
if (continuedText)
|
||
|
continuedText += '\n' + promptText;
|
||
|
else continuedText = promptText;
|
||
|
} else continuedText = undefined;
|
||
|
if (continuedText) text = continuedText;
|
||
|
var ret = config.commandHandle(text,function(msgs){
|
||
|
commandResult(msgs);
|
||
|
});
|
||
|
if (extern.continuedPrompt && !continuedText)
|
||
|
continuedText = promptText;
|
||
|
if (typeof ret == 'boolean') {
|
||
|
if (ret) {
|
||
|
// Command succeeded without a result.
|
||
|
commandResult();
|
||
|
} else {
|
||
|
commandResult(
|
||
|
'Command failed.',
|
||
|
"jquery-console-message-error"
|
||
|
);
|
||
|
}
|
||
|
} else if (typeof ret == "string") {
|
||
|
commandResult(ret,"jquery-console-message-success");
|
||
|
} else if (typeof ret == 'object' && ret.length) {
|
||
|
commandResult(ret);
|
||
|
} else if (extern.continuedPrompt) {
|
||
|
commandResult();
|
||
|
}
|
||
|
}
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Disable input
|
||
|
function disableInput() {
|
||
|
acceptInput = false;
|
||
|
};
|
||
|
|
||
|
// Enable input
|
||
|
function enableInput() {
|
||
|
acceptInput = true;
|
||
|
}
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Reset the prompt in invalid command
|
||
|
function commandResult(msg,className) {
|
||
|
column = -1;
|
||
|
updatePromptDisplay();
|
||
|
if (typeof msg == 'string') {
|
||
|
message(msg,className);
|
||
|
} else if ($.isArray(msg)) {
|
||
|
for (var x in msg) {
|
||
|
var ret = msg[x];
|
||
|
message(ret.msg,ret.className);
|
||
|
}
|
||
|
} else { // Assume it's a DOM node or jQuery object.
|
||
|
inner.append(msg);
|
||
|
}
|
||
|
newPromptBox();
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Display a message
|
||
|
function message(msg,className) {
|
||
|
var mesg = $('<div class="jquery-console-message"></div>');
|
||
|
if (className) mesg.addClass(className);
|
||
|
mesg.filledText(msg).hide();
|
||
|
inner.append(mesg);
|
||
|
mesg.show();
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Handle normal character insertion
|
||
|
// data can either be a number, which will be interpreted as the
|
||
|
// numeric value of a single character, or a string
|
||
|
typer.consoleInsert = function(data){
|
||
|
// TODO: remove redundant indirection
|
||
|
var text = isNaN(data) ? data : String.fromCharCode(data);
|
||
|
var before = promptText.substring(0,column);
|
||
|
var after = promptText.substring(column);
|
||
|
promptText = before + text + after;
|
||
|
moveColumn(text.length);
|
||
|
restoreText = promptText;
|
||
|
updatePromptDisplay();
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Move to another column relative to this one
|
||
|
// Negative means go back, positive means go forward.
|
||
|
function moveColumn(n){
|
||
|
if (column + n >= 0 && column + n <= promptText.length){
|
||
|
column += n;
|
||
|
return true;
|
||
|
} else return false;
|
||
|
};
|
||
|
|
||
|
function moveForward() {
|
||
|
if(moveColumn(1)) {
|
||
|
updatePromptDisplay();
|
||
|
return true;
|
||
|
}
|
||
|
return false;
|
||
|
};
|
||
|
|
||
|
function moveBackward() {
|
||
|
if(moveColumn(-1)) {
|
||
|
updatePromptDisplay();
|
||
|
return true;
|
||
|
}
|
||
|
return false;
|
||
|
};
|
||
|
|
||
|
function moveToStart() {
|
||
|
if (moveColumn(-column))
|
||
|
updatePromptDisplay();
|
||
|
};
|
||
|
|
||
|
function moveToEnd() {
|
||
|
if (moveColumn(promptText.length-column))
|
||
|
updatePromptDisplay();
|
||
|
};
|
||
|
|
||
|
function moveToNextWord() {
|
||
|
while(
|
||
|
column < promptText.length &&
|
||
|
!isCharAlphanumeric(promptText[column]) &&
|
||
|
moveForward()
|
||
|
) {}
|
||
|
while(
|
||
|
column < promptText.length &&
|
||
|
isCharAlphanumeric(promptText[column]) &&
|
||
|
moveForward()
|
||
|
) {}
|
||
|
};
|
||
|
|
||
|
function moveToPreviousWord() {
|
||
|
// Move backward until we find the first alphanumeric
|
||
|
while(
|
||
|
column -1 >= 0 &&
|
||
|
!isCharAlphanumeric(promptText[column-1]) &&
|
||
|
moveBackward()
|
||
|
) {}
|
||
|
// Move until we find the first non-alphanumeric
|
||
|
while(
|
||
|
column -1 >= 0 &&
|
||
|
isCharAlphanumeric(promptText[column-1]) &&
|
||
|
moveBackward()
|
||
|
) {}
|
||
|
};
|
||
|
|
||
|
function isCharAlphanumeric(charToTest) {
|
||
|
if(typeof charToTest == 'string') {
|
||
|
var code = charToTest.charCodeAt();
|
||
|
return (code >= 'A'.charCodeAt() && code <= 'Z'.charCodeAt()) ||
|
||
|
(code >= 'a'.charCodeAt() && code <= 'z'.charCodeAt()) ||
|
||
|
(code >= '0'.charCodeAt() && code <= '9'.charCodeAt());
|
||
|
}
|
||
|
return false;
|
||
|
};
|
||
|
|
||
|
function doComplete() {
|
||
|
if(typeof config.completeHandle == 'function') {
|
||
|
var completions = config.completeHandle(promptText);
|
||
|
var len = completions.length;
|
||
|
if (len === 1) {
|
||
|
extern.promptText(promptText + completions[0]);
|
||
|
} else if (len > 1 && config.cols) {
|
||
|
var prompt = promptText;
|
||
|
// Compute the number of rows that will fit in the width
|
||
|
var max = 0;
|
||
|
for (var i = 0;i < len;i++) {
|
||
|
max = Math.max(max, completions[i].length);
|
||
|
}
|
||
|
max += 2;
|
||
|
var n = Math.floor(config.cols / max);
|
||
|
var buffer = "";
|
||
|
var col = 0;
|
||
|
for (i = 0;i < len;i++) {
|
||
|
var completion = completions[i];
|
||
|
buffer += completions[i];
|
||
|
for (var j = completion.length;j < max;j++) {
|
||
|
buffer += " ";
|
||
|
}
|
||
|
if (++col >= n) {
|
||
|
buffer += "\n";
|
||
|
col = 0;
|
||
|
}
|
||
|
}
|
||
|
commandResult(buffer,"jquery-console-message-value");
|
||
|
extern.promptText(prompt);
|
||
|
}
|
||
|
}
|
||
|
};
|
||
|
|
||
|
function doNothing() {};
|
||
|
|
||
|
extern.promptText = function(text){
|
||
|
if (typeof text === 'string') {
|
||
|
promptText = text;
|
||
|
column = promptText.length;
|
||
|
updatePromptDisplay();
|
||
|
}
|
||
|
return promptText;
|
||
|
};
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////
|
||
|
// Update the prompt display
|
||
|
function updatePromptDisplay(){
|
||
|
var line = promptText;
|
||
|
var html = '';
|
||
|
if (column > 0 && line == ''){
|
||
|
// When we have an empty line just display a cursor.
|
||
|
html = cursor;
|
||
|
} else if (column == promptText.length){
|
||
|
// We're at the end of the line, so we need to display
|
||
|
// the text *and* cursor.
|
||
|
html = htmlEncode(line) + cursor;
|
||
|
} else {
|
||
|
// Grab the current character, if there is one, and
|
||
|
// make it the current cursor.
|
||
|
var before = line.substring(0, column);
|
||
|
var current = line.substring(column,column+1);
|
||
|
if (current){
|
||
|
current =
|
||
|
'<span class="jquery-console-cursor">' +
|
||
|
htmlEncode(current) +
|
||
|
'</span>';
|
||
|
}
|
||
|
var after = line.substring(column+1);
|
||
|
html = htmlEncode(before) + current + htmlEncode(after);
|
||
|
}
|
||
|
prompt.html(html);
|
||
|
scrollToBottom();
|
||
|
};
|
||
|
|
||
|
// Simple HTML encoding
|
||
|
// Simply replace '<', '>' and '&'
|
||
|
// TODO: Use jQuery's .html() trick, or grab a proper, fast
|
||
|
// HTML encoder.
|
||
|
function htmlEncode(text){
|
||
|
return (
|
||
|
text.replace(/&/g,'&')
|
||
|
.replace(/</g,'<')
|
||
|
.replace(/</g,'<')
|
||
|
.replace(/ /g,' ')
|
||
|
.replace(/\n/g,'<br />')
|
||
|
);
|
||
|
};
|
||
|
|
||
|
return extern;
|
||
|
};
|
||
|
// Simple utility for printing messages
|
||
|
$.fn.filledText = function(txt){
|
||
|
$(this).text(txt);
|
||
|
$(this).html($(this).html().replace(/\n/g,'<br/>'));
|
||
|
return this;
|
||
|
};
|
||
|
|
||
|
// Alternative method for focus without scrolling
|
||
|
$.fn.focusWithoutScrolling = function(){
|
||
|
var x = window.scrollX, y = window.scrollY;
|
||
|
$(this).focus();
|
||
|
window.scrollTo(x, y);
|
||
|
};
|
||
|
})(jQuery);
|