diff.js revision 28c081bad540f7e3eb8abd2a5a9a1b6fc706f558
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* See LICENSE.txt included in this distribution for the specific
* language governing permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at LICENSE.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
*/
/*
* This file contains JavaScript code used by diff.jsp.
*/
(function(window, $){
/*
* DiffJumper module
*
* called for example like
* $("#difftable").diffTable(options)
* where options are
* {
* $parent: // jQuery object for common anchestor of all diff features
* $content: // jQuery object which is anchestor and scrollable - fixing animation
* chunkSelector: // String describing chunk selection
* addSelector: // String describing added lines
* delSelector: // String describin deleted lines
* $toggleButton: // jQuery object of button to toggle the jumper window
* animationDuration: // duration of toggling the jumper window
* }
*/
var diff = function($parent, options) {
var inner = {
initialized: false,
currentIndex: -1,
$changes: $(),
options: {},
defaults: {
$parent: $("#difftable"),
$content: $("#content"), //first scrollable div
chunkSelector: ".chunk",
addSelector: ".a",
delSelector: ".d",
$toggleButton: $("#toggle-jumper"),
animationDuration: 500
},
/*
* Whole panel looks like this in code
* Other css rules are described in style.css
* <div class="diff_navigation">
* <div class="header">
* <span class="prev summary">4/30 chunks</span>
* <a href="#" class="minimize">_</a>
* </div>
* <div class="controls">
* <a href="#" class="prev">&lt;&lt; Previous</a>
* <a href="#" class="next">Next &gt;&gt;</a>
* </div>
* <div class="progress">
* </div>
* <div class="errors">
* </div>
* </div>
*/
$panel: null,
$summary: null,
$errors: null,
$progress: null,
scrollTop: function (top) {
$('*').scrollTop(top);
},
prevHandler: function (e) {
e.preventDefault()
inner.initChanges();
var $current = $(inner.$changes[inner.currentIndex - 1])
if(!$current.length) {
inner.$errors.error ( "No previous chunk!" )
return false
}
inner.currentIndex --;
inner.$progress.progress("Going to chunk " + (inner.currentIndex+1) + "/" + inner.$changes.length )
inner.scrollTop($current.offset().top - inner.options.$parent.offset().top);
inner.$summary.trigger("diff.summary.refresh");
return false
},
nextHandler: function(e) {
e.preventDefault()
inner.initChanges();
var $current = $(inner.$changes[inner.currentIndex + 1])
if(!$current.length) {
inner.$errors.error ( "No next chunk!" )
return false
}
inner.currentIndex ++;
inner.$progress.progress("Going to chunk " + (inner.currentIndex+1) + "/" + inner.$changes.length )
inner.scrollTop($current.offset().top - inner.options.$parent.offset().top);
inner.$summary.trigger("diff.summary.refresh");
return false
},
createPanel: function(){
inner.$panel = $("<div></div>")
.appendTo($("body"))
.addClass("diff_navigation_style")
.addClass("diff_navigation")
.hide()
inner.createHeader()
inner.createButtons()
inner.createProgress()
inner.createErrors()
},
createHeader: function() {
var $cancel = $("<a href='#' class='minimize'>_</a>")
.click(function(e){
inner.$panel.stop().animate({
top: inner.options.$content.scrollTop() +
inner.options.$toggleButton.offset().top,
left: inner.options.$toggleButton.offset().left +
inner.options.$toggleButton.width(),
opacity: 0
}, inner.options.animationDuration, function() {
inner.$panel.hide()
inner.options.$toggleButton.data("animation-in-progress", null );
});
inner.options.$toggleButton.data("animation-in-progress", "hiding" );
});
inner.$summary = $("<span class='prev summary'></span>")
.text(inner.$changes.length + " chunks")
.bind("diff.summary.refresh", function (e) {
var index = inner.currentIndex < 0 ? 1 : ( inner.currentIndex + 1 );
$(this).text ( index + "/" + inner.$changes.length + " chunks" )
});
var $controls = $("<div class=\"header\"></div>")
$controls.append(inner.$summary)
$controls.append($cancel)
inner.$panel.append($controls)
},
createButtons: function() {
var $prev = $("<a href='#' class='prev' title='Jump to previous chunk (shortcut b)'><< Previous</a>")
.click(inner.prevHandler)
var $next = $("<a href='#' class='next' title='Jump to next chunk (shortcut n)'>Next >></a>")
.click(inner.nextHandler)
var $controls = $("<div class=\"controls\"></div>")
$controls.append($prev)
$controls.append($next)
inner.$panel.append($controls)
},
createErrors: function(){
var $errors = $("<div class=\"errors\"></div>")
$errors.error = function(str) {
var $span = $("<p class='error'>" + str + "</p>")
.animate({opacity: "0.2"}, 3000)
$span.hide('slow', function(){ $span.remove(); });
$errors.html($span)
}
inner.$panel.append($errors)
inner.$errors = $errors
},
createProgress: function(){
var $progress = $("<div class=\"progress\"></div>")
$progress.progress = function(str) {
var $span = $("<p>" + str + "</p>")
.animate({opacity: "0.2"}, 1000)
$span.hide('fast', function(){ $span.remove(); });
$progress.html($span)
inner.$errors.html("")
}
inner.$panel.append($progress)
inner.$progress = $progress
},
initChanges: function(){
if(inner.$changes.length)
return
// is diff in table (udiff/sdiff) or just html text (new/old diff)?
var isTable = inner.options.$parent.find("table").length > 0
// get all changes
inner.$changes = isTable ? inner.options.$parent.find(inner.options.chunkSelector) :
inner.options.$parent.find(inner.options.addSelector + "," + inner.options.delSelector)
inner.$summary.trigger("diff.summary.refresh");
},
init: function(){
inner.createPanel();
// set initial position by the toggle button
inner.options.$toggleButton.each(function(){
inner.$panel.css({
top: $(this).offset().top,
left: $(this).offset().left + $(this).width(),
opacity: 0
}).hide();
});
// bind animation features
inner.options.$toggleButton.click(function(e){
inner.initChanges();
var flag = $(this).data("animation-in-progress");
if(flag == "showing") {
inner.$panel.stop().animate({
top: inner.options.$content.scrollTop() +
$(this).offset().top,
left: $(this).offset().left + $(this).width(),
opacity: 0
}, inner.options.animationDuration, function() {
inner.$panel.hide()
$(this).data("animation-in-progress", null );
});
$(this).data("animation-in-progress", "hiding" );
} else {
inner.$panel.stop().show().animate({
top: inner.options.$content.scrollTop() +
inner.options.$parent.offset().top,
left: $(window).width() - inner.$panel.width() - 25,
opacity: 1
}, inner.options.animationDuration, function(){
$(this).data("animation-in-progress", null );
})
$(this).data("animation-in-progress", "showing" );
}
return false
});
}
}
this.init = (function($parent, options){
if (inner.initialized)
return
inner.options = $.extend({}, inner.defaults, options)
inner.init ()
// bind n and b to special events
$(document).keypress(function(e){
var key = e.keyCode || e.which
switch(key) {
case 110: // n
inner.nextHandler(e)
break;
case 98: // b
inner.prevHandler(e)
break;
default:
}
});
inner.initialized = true
return this
})($parent, options)
}
$.fn.diffTable = function(options){
return this.each(function(){
new diff($(this), options);
});
}
}(window, window.jQuery));
// Code to be called when the DOM for diff.jsp is ready.
$(document).ready(function () {
$("#difftable").diffTable();
});