Current File : //proc/self/root/home/tjamichg/cursos.tjamich.gob.mx/main/inc/lib/mxgraph/src/js/util/mxLog.js
/**
* Copyright (c) 2006-2015, JGraph Ltd
* Copyright (c) 2006-2015, Gaudenz Alder
*/
var mxLog =
{
/**
* Class: mxLog
*
* A singleton class that implements a simple console.
*
* Variable: consoleName
*
* Specifies the name of the console window. Default is 'Console'.
*/
consoleName: 'Console',
/**
* Variable: TRACE
*
* Specified if the output for <enter> and <leave> should be visible in the
* console. Default is false.
*/
TRACE: false,
/**
* Variable: DEBUG
*
* Specifies if the output for <debug> should be visible in the console.
* Default is true.
*/
DEBUG: true,
/**
* Variable: WARN
*
* Specifies if the output for <warn> should be visible in the console.
* Default is true.
*/
WARN: true,
/**
* Variable: buffer
*
* Buffer for pre-initialized content.
*/
buffer: '',
/**
* Function: init
*
* Initializes the DOM node for the console. This requires document.body to
* point to a non-null value. This is called from within <setVisible> if the
* log has not yet been initialized.
*/
init: function()
{
if (mxLog.window == null && document.body != null)
{
var title = mxLog.consoleName + ' - mxGraph ' + mxClient.VERSION;
// Creates a table that maintains the layout
var table = document.createElement('table');
table.setAttribute('width', '100%');
table.setAttribute('height', '100%');
var tbody = document.createElement('tbody');
var tr = document.createElement('tr');
var td = document.createElement('td');
td.style.verticalAlign = 'top';
// Adds the actual console as a textarea
mxLog.textarea = document.createElement('textarea');
mxLog.textarea.setAttribute('wrap', 'off');
mxLog.textarea.setAttribute('readOnly', 'true');
mxLog.textarea.style.height = '100%';
mxLog.textarea.style.resize = 'none';
mxLog.textarea.value = mxLog.buffer;
// Workaround for wrong width in standards mode
if (mxClient.IS_NS && document.compatMode != 'BackCompat')
{
mxLog.textarea.style.width = '99%';
}
else
{
mxLog.textarea.style.width = '100%';
}
td.appendChild(mxLog.textarea);
tr.appendChild(td);
tbody.appendChild(tr);
// Creates the container div
tr = document.createElement('tr');
mxLog.td = document.createElement('td');
mxLog.td.style.verticalAlign = 'top';
mxLog.td.setAttribute('height', '30px');
tr.appendChild(mxLog.td);
tbody.appendChild(tr);
table.appendChild(tbody);
// Adds various debugging buttons
mxLog.addButton('Info', function (evt)
{
mxLog.info();
});
mxLog.addButton('DOM', function (evt)
{
var content = mxUtils.getInnerHtml(document.body);
mxLog.debug(content);
});
mxLog.addButton('Trace', function (evt)
{
mxLog.TRACE = !mxLog.TRACE;
if (mxLog.TRACE)
{
mxLog.debug('Tracing enabled');
}
else
{
mxLog.debug('Tracing disabled');
}
});
mxLog.addButton('Copy', function (evt)
{
try
{
mxUtils.copy(mxLog.textarea.value);
}
catch (err)
{
mxUtils.alert(err);
}
});
mxLog.addButton('Show', function (evt)
{
try
{
mxUtils.popup(mxLog.textarea.value);
}
catch (err)
{
mxUtils.alert(err);
}
});
mxLog.addButton('Clear', function (evt)
{
mxLog.textarea.value = '';
});
// Cross-browser code to get window size
var h = 0;
var w = 0;
if (typeof(window.innerWidth) === 'number')
{
h = window.innerHeight;
w = window.innerWidth;
}
else
{
h = (document.documentElement.clientHeight || document.body.clientHeight);
w = document.body.clientWidth;
}
mxLog.window = new mxWindow(title, table, Math.max(0, w - 320), Math.max(0, h - 210), 300, 160);
mxLog.window.setMaximizable(true);
mxLog.window.setScrollable(false);
mxLog.window.setResizable(true);
mxLog.window.setClosable(true);
mxLog.window.destroyOnClose = false;
// Workaround for ignored textarea height in various setups
if (((mxClient.IS_NS || mxClient.IS_IE) && !mxClient.IS_GC &&
!mxClient.IS_SF && document.compatMode != 'BackCompat') ||
document.documentMode == 11)
{
var elt = mxLog.window.getElement();
var resizeHandler = function(sender, evt)
{
mxLog.textarea.style.height = Math.max(0, elt.offsetHeight - 70) + 'px';
};
mxLog.window.addListener(mxEvent.RESIZE_END, resizeHandler);
mxLog.window.addListener(mxEvent.MAXIMIZE, resizeHandler);
mxLog.window.addListener(mxEvent.NORMALIZE, resizeHandler);
mxLog.textarea.style.height = '92px';
}
}
},
/**
* Function: info
*
* Writes the current navigator information to the console.
*/
info: function()
{
mxLog.writeln(mxUtils.toString(navigator));
},
/**
* Function: addButton
*
* Adds a button to the console using the given label and function.
*/
addButton: function(lab, funct)
{
var button = document.createElement('button');
mxUtils.write(button, lab);
mxEvent.addListener(button, 'click', funct);
mxLog.td.appendChild(button);
},
/**
* Function: isVisible
*
* Returns true if the console is visible.
*/
isVisible: function()
{
if (mxLog.window != null)
{
return mxLog.window.isVisible();
}
return false;
},
/**
* Function: show
*
* Shows the console.
*/
show: function()
{
mxLog.setVisible(true);
},
/**
* Function: setVisible
*
* Shows or hides the console.
*/
setVisible: function(visible)
{
if (mxLog.window == null)
{
mxLog.init();
}
if (mxLog.window != null)
{
mxLog.window.setVisible(visible);
}
},
/**
* Function: enter
*
* Writes the specified string to the console
* if <TRACE> is true and returns the current
* time in milliseconds.
*
* Example:
*
* (code)
* mxLog.show();
* var t0 = mxLog.enter('Hello');
* // Do something
* mxLog.leave('World!', t0);
* (end)
*/
enter: function(string)
{
if (mxLog.TRACE)
{
mxLog.writeln('Entering '+string);
return new Date().getTime();
}
},
/**
* Function: leave
*
* Writes the specified string to the console
* if <TRACE> is true and computes the difference
* between the current time and t0 in milliseconds.
* See <enter> for an example.
*/
leave: function(string, t0)
{
if (mxLog.TRACE)
{
var dt = (t0 != 0) ? ' ('+(new Date().getTime() - t0)+' ms)' : '';
mxLog.writeln('Leaving '+string+dt);
}
},
/**
* Function: debug
*
* Adds all arguments to the console if <DEBUG> is enabled.
*
* Example:
*
* (code)
* mxLog.show();
* mxLog.debug('Hello, World!');
* (end)
*/
debug: function()
{
if (mxLog.DEBUG)
{
mxLog.writeln.apply(this, arguments);
}
},
/**
* Function: warn
*
* Adds all arguments to the console if <WARN> is enabled.
*
* Example:
*
* (code)
* mxLog.show();
* mxLog.warn('Hello, World!');
* (end)
*/
warn: function()
{
if (mxLog.WARN)
{
mxLog.writeln.apply(this, arguments);
}
},
/**
* Function: write
*
* Adds the specified strings to the console.
*/
write: function()
{
var string = '';
for (var i = 0; i < arguments.length; i++)
{
string += arguments[i];
if (i < arguments.length - 1)
{
string += ' ';
}
}
if (mxLog.textarea != null)
{
mxLog.textarea.value = mxLog.textarea.value + string;
// Workaround for no update in Presto 2.5.22 (Opera 10.5)
if (navigator.userAgent.indexOf('Presto/2.5') >= 0)
{
mxLog.textarea.style.visibility = 'hidden';
mxLog.textarea.style.visibility = 'visible';
}
mxLog.textarea.scrollTop = mxLog.textarea.scrollHeight;
}
else
{
mxLog.buffer += string;
}
},
/**
* Function: writeln
*
* Adds the specified strings to the console, appending a linefeed at the
* end of each string.
*/
writeln: function()
{
var string = '';
for (var i = 0; i < arguments.length; i++)
{
string += arguments[i];
if (i < arguments.length - 1)
{
string += ' ';
}
}
mxLog.write(string + '\n');
}
};
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