File: /home/mmickelson/martyknows.com/wp-content/themes/k2/js/k2.trimmer.js
/* Thank you Drew McLellan for starting us off
with http://24ways.org/2006/tasty-text-trimmer */
function TextTrimmer(value) {
var self = this;
this.minValue = 0;
this.maxValue = 100;
this.chunks = false;
this.prevValue = 0;
if (value >= this.maxValue) {
this.curValue = this.maxValue;
} else if (value < this.minValue) {
this.curValue = this.minValue;
} else {
this.curValue = value;
}
this.slider = new K2Slider('#trimmerhandle', '#trimmertrack', {
minimum: 0,
maximum: 10,
value: 10,
onSlide: function(x) {
self.doTrim(x * 10);
},
onChange: function(x) {
self.doTrim(x * 10);
}
});
jQuery('#trimmermore').click(function() {
self.slider.setValueBy(1);
return false;
});
jQuery('#trimmerless').click(function() {
self.slider.setValueBy(-1);
return false;
});
jQuery('#trimmertrim').click(function() {
self.slider.setValue(self.minValue);
return false;
});
jQuery('#trimmeruntrim').click(function() {
self.slider.setValue(self.maxValue);
return false;
});
};
TextTrimmer.prototype.trimAgain = function() {
this.loadChunks();
this.doTrim(this.curValue);
};
TextTrimmer.prototype.loadChunks = function() {
var everything = jQuery('#dynamic-content .entry-content');
this.chunks = [];
for (i=0; i<everything.length; i++) {
this.chunks.push({
ref: everything[i],
html: jQuery(everything[i]).html(),
text: jQuery.trim(jQuery(everything[i]).text())
});
}
};
TextTrimmer.prototype.doTrim = function(interval) {
/* Spit out the trimmed text */
if (!this.chunks)
this.loadChunks();
/* var interval = parseInt(interval); */
this.curValue = interval;
for (i=0; i<this.chunks.length; i++) {
if (interval == this.maxValue) {
jQuery(this.chunks[i].ref).html(this.chunks[i].html);
} else if (interval == this.minValue) {
jQuery(this.chunks[i].ref).html('');
} else {
var a = this.chunks[i].text.split(' ');
a = a.slice(0, Math.round(interval * a.length / 100));
jQuery(this.chunks[i].ref).html('<p>' + a.join(' ') + ' [...]</p>');
}
}
/* Add 'trimmed' class to <BODY> while active */
if (this.curValue != this.maxValue) {
jQuery('#dynamic-content').addClass("trimmed");
} else {
jQuery('#dynamic-content').removeClass("trimmed");
}
};