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/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, no-param-reassign, no-cond-assign, quotes, one-var, one-var-declaration-per-line, operator-assignment, no-else-return, prefer-template, prefer-arrow-callback, no-empty, max-len, consistent-return, no-unused-vars, no-return-assign, max-len */
require('vendor/latinise');
(function() {
(function(w) {
var base;
if (w.gl == null) {
w.gl = {};
}
if ((base = w.gl).text == null) {
base.text = {};
}
gl.text.addDelimiter = function(text) {
return text ? text.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") : text;
};
gl.text.highCountTrim = function(count) {
return count > 99 ? '99+' : count;
};
gl.text.randomString = function() {
return Math.random().toString(36).substring(7);
};
gl.text.replaceRange = function(s, start, end, substitute) {
return s.substring(0, start) + substitute + s.substring(end);
};
gl.text.getTextWidth = function(text, font) {
/**
* Uses canvas.measureText to compute and return the width of the given text of given font in pixels.
*
* @param {String} text The text to be rendered.
* @param {String} font The css font descriptor that text is to be rendered with (e.g. "bold 14px verdana").
*
* @see http://stackoverflow.com/questions/118241/calculate-text-width-with-javascript/21015393#21015393
*/
// re-use canvas object for better performance
var canvas = gl.text.getTextWidth.canvas || (gl.text.getTextWidth.canvas = document.createElement('canvas'));
var context = canvas.getContext('2d');
context.font = font;
return context.measureText(text).width;
};
gl.text.selectedText = function(text, textarea) {
return text.substring(textarea.selectionStart, textarea.selectionEnd);
};
gl.text.lineBefore = function(text, textarea) {
var split;
split = text.substring(0, textarea.selectionStart).trim().split('\n');
return split[split.length - 1];
};
gl.text.lineAfter = function(text, textarea) {
return text.substring(textarea.selectionEnd).trim().split('\n')[0];
};
gl.text.blockTagText = function(text, textArea, blockTag, selected) {
var lineAfter, lineBefore;
lineBefore = this.lineBefore(text, textArea);
lineAfter = this.lineAfter(text, textArea);
if (lineBefore === blockTag && lineAfter === blockTag) {
// To remove the block tag we have to select the line before & after
if (blockTag != null) {
textArea.selectionStart = textArea.selectionStart - (blockTag.length + 1);
textArea.selectionEnd = textArea.selectionEnd + (blockTag.length + 1);
}
return selected;
} else {
return blockTag + "\n" + selected + "\n" + blockTag;
}
};
gl.text.insertText = function(textArea, text, tag, blockTag, selected, wrap) {
var insertText, inserted, selectedSplit, startChar, removedLastNewLine, removedFirstNewLine, currentLineEmpty, lastNewLine;
removedLastNewLine = false;
removedFirstNewLine = false;
currentLineEmpty = false;
// Remove the first newline
if (selected.indexOf('\n') === 0) {
removedFirstNewLine = true;
selected = selected.replace(/\n+/, '');
}
// Remove the last newline
if (textArea.selectionEnd - textArea.selectionStart > selected.replace(/\n$/, '').length) {
removedLastNewLine = true;
selected = selected.replace(/\n$/, '');
}
selectedSplit = selected.split('\n');
if (!wrap) {
lastNewLine = textArea.value.substr(0, textArea.selectionStart).lastIndexOf('\n');
// Check whether the current line is empty or consists only of spaces(=handle as empty)
if (/^\s*$/.test(textArea.value.substring(lastNewLine, textArea.selectionStart))) {
currentLineEmpty = true;
}
}
startChar = !wrap && !currentLineEmpty && textArea.selectionStart > 0 ? '\n' : '';
if (selectedSplit.length > 1 && (!wrap || (blockTag != null))) {
if (blockTag != null) {
insertText = this.blockTagText(text, textArea, blockTag, selected);
} else {
insertText = selectedSplit.map(function(val) {
if (val.indexOf(tag) === 0) {
return "" + (val.replace(tag, ''));
} else {
return "" + tag + val;
}
}).join('\n');
}
} else {
insertText = "" + startChar + tag + selected + (wrap ? tag : ' ');
}
if (removedFirstNewLine) {
insertText = '\n' + insertText;
}
if (removedLastNewLine) {
insertText += '\n';
}
if (document.queryCommandSupported('insertText')) {
inserted = document.execCommand('insertText', false, insertText);
}
if (!inserted) {
try {
document.execCommand("ms-beginUndoUnit");
} catch (error) {}
textArea.value = this.replaceRange(text, textArea.selectionStart, textArea.selectionEnd, insertText);
try {
document.execCommand("ms-endUndoUnit");
} catch (error) {}
}
return this.moveCursor(textArea, tag, wrap, removedLastNewLine);
};
gl.text.moveCursor = function(textArea, tag, wrapped, removedLastNewLine) {
var pos;
if (!textArea.setSelectionRange) {
return;
}
if (textArea.selectionStart === textArea.selectionEnd) {
if (wrapped) {
pos = textArea.selectionStart - tag.length;
} else {
pos = textArea.selectionStart;
}
if (removedLastNewLine) {
pos -= 1;
}
return textArea.setSelectionRange(pos, pos);
}
};
gl.text.updateText = function(textArea, tag, blockTag, wrap) {
var $textArea, selected, text;
$textArea = $(textArea);
textArea = $textArea.get(0);
text = $textArea.val();
selected = this.selectedText(text, textArea);
$textArea.focus();
return this.insertText(textArea, text, tag, blockTag, selected, wrap);
};
gl.text.init = function(form) {
var self;
self = this;
return $('.js-md', form).off('click').on('click', function() {
var $this;
$this = $(this);
return self.updateText($this.closest('.md-area').find('textarea'), $this.data('md-tag'), $this.data('md-block'), !$this.data('md-prepend'));
});
};
gl.text.removeListeners = function(form) {
return $('.js-md', form).off();
};
gl.text.humanize = function(string) {
return string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1);
};
gl.text.pluralize = function(str, count) {
return str + (count > 1 || count === 0 ? 's' : '');
};
gl.text.truncate = function(string, maxLength) {
return string.substr(0, (maxLength - 3)) + '...';
};
gl.text.dasherize = function(str) {
return str.replace(/[_\s]+/g, '-');
};
gl.text.slugify = function(str) {
return str.trim().toLowerCase().latinise();
};
})(window);
}).call(window);
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