/
gallery.common.js
218 lines (196 loc) · 6.31 KB
/
gallery.common.js
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(function ($) {
// Fade in action status message background color
$.fn.gallery_show_message = function() {
return this.each(function(i){
$(this).hide().fadeIn(3000)
});
};
// Make the height of all items the same as the tallest item within the set
$.fn.equal_heights = function() {
var tallest_height = 0;
$(this).each(function(){
if ($(this).height() > tallest_height) {
tallest_height = $(this).height();
}
});
return $(this).height(tallest_height);
};
// Vertically align a block element's content
$.fn.gallery_valign = function(container) {
return this.each(function(i){
if (container == null) {
container = 'div';
}
$(this).html("<" + container + " class=\"g-valign\">" + $(this).html() + "</" + container + ">");
var el = $(this).children(container + ".g-valign");
var elh = $(el).height();
var ph = $(this).height();
var nh = (ph - elh) / 2;
$(el).css('margin-top', nh);
});
};
// Get the viewport size
$.gallery_get_viewport_size = function() {
return {
width : function() {
return $(window).width();
},
height : function() {
return $(window).height();
}
};
};
/**
* Toggle the processing indicator, both large and small
* @param elementID Target ID, including #, to apply .g-loading-size
*/
$.fn.gallery_show_loading = function() {
return this.each(function(i){
var size;
switch ($(this).attr("id")) {
case "#g-dialog":
case "#g-panel":
size = "large";
break;
default:
size = "small";
break;
}
$(this).toggleClass("g-loading-" + size);
});
};
/**
* Reduce the width of an image if it's wider than its parent container
* @param elementID The image container's ID
*/
$.fn.gallery_fit_photo = function() {
return this.each(function(i) {
var container_width = $(this).width();
var photo = $(this).gallery_get_photo();
var photo_width = photo.width();
if (container_width < photo_width) {
var proportion = container_width / photo_width;
photo.width(container_width);
photo.height(proportion * photo.height());
}
});
};
/**
* Get a thumbnail or resize photo within a container
* @param elementID The image container's ID
* @return object
*/
$.fn.gallery_get_photo = function() {
var photo = $(this).find("img,object").filter(function() {
return this.id.match(/g-(photo|movie)-id-\d+/);
});
return photo;
};
/**
* Get the sum of an element's height, margin-top, and margin-bottom
* @param elementID the element's ID
* @return int
*/
$.fn.gallery_height = function() {
var ht = $(this).height();
var mt = parseInt($(this).css("margin-top"));
var mb = parseInt($(this).css("margin-bottom"));
return ht + parseInt(mt) + parseInt(mb);
};
// Add hover state to buttons
$.fn.gallery_hover_init = function() {
$(".ui-state-default").hover(
function(){
$(this).addClass("ui-state-hover");
},
function(){
$(this).removeClass("ui-state-hover");
}
);
};
// Ajax handler for replacing an image, used in Ajax thumbnail rotation
$.gallery_replace_image = function(data, img_selector) {
$(img_selector).attr({src: data.src, width: data.width, height: data.height});
$(img_selector).trigger("gallery.change");
};
// Initialize context menus
$.fn.gallery_context_menu = function() {
if ($(".g-context-menu li").length) {
var hover_target = ".g-context-menu";
var in_progress = 0;
$(hover_target + " *").removeAttr('title');
$(hover_target + " ul").hide();
$(hover_target).hover(
function() {
if (in_progress == 0) {
$(this).find("ul").slideDown("fast", function() { in_progress = 1; });
$(this).find(".g-dialog-link").gallery_dialog();
$(this).find(".g-ajax-link").gallery_ajax();
}
},
function() {
$(this).find("ul").slideUp("slow", function() { in_progress = 0; });
}
);
}
};
// Size a container to fit within the browser window
$.gallery_auto_fit_window = function(imageWidth, imageHeight) {
var size = $.gallery_get_viewport_size();
var width = size.width() - 6,
height = size.height() - 6;
var ratio = width / imageWidth;
imageWidth *= ratio;
imageHeight *= ratio;
/* after scaling the width, check that the height fits */
if (imageHeight > height) {
ratio = height / imageHeight;
imageWidth *= ratio;
imageHeight *= ratio;
}
// handle the case where the calculation is almost zero (2.14e-14)
return {
top: Number((height - imageHeight) / 2),
left: Number((width - imageWidth) / 2),
width: Number(imageWidth),
height: Number(imageHeight)
};
};
// Initialize a short form. Short forms may contain only one text input.
$.fn.gallery_short_form = function() {
return this.each(function(i){
var label = $(this).find("label:first");
var input = $(this).find("input[type=text]:first");
var button = $(this).find("input[type=submit]");
$(".g-short-form").addClass("ui-helper-clearfix");
// Place button's on the left for RTL languages
if ($(".rtl").length) {
$(".g-short-form input[type=text]").addClass("ui-corner-right");
$(".g-short-form input[type=submit]").addClass("ui-state-default ui-corner-left");
} else {
$(".g-short-form input[type=text]").addClass("ui-corner-left");
$(".g-short-form input[type=submit]").addClass("ui-state-default ui-corner-right");
}
// Set the input value equal to label text
if (input.val() == "") {
input.val(label.html());
button.enable(false);
}
// Attach event listeners to the input
input.bind("focus", function(e) {
// Empty input value if it equals it's label
if ($(this).val() == label.html()) {
$(this).val("");
}
button.enable(true);
});
input.bind("blur", function(e){
// Reset the input value if it's empty
if ($(this).val() == "") {
$(this).val(label.html());
button.enable(false);
}
});
});
};
})(jQuery);