forgeplus/app/assets/javascripts/bootstrap.viewer.js

78 lines
3.2 KiB
JavaScript
Executable File

/*
* Copyright 2018-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* WebSite: http://bootstrap-viewer.leftso.com
*/
$.fn.bootstrapViewer = function (options) {
$(this).on('click', function () {
var opts = $.extend({}, $.fn.bootstrapViewer.defaults, options);
var viewer = $('<div class="modal fade bs-example-modal-lg text-center" id="bootstrapViewer" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel" >\n' +
' <div class="modal-dialog modal-lg" style="display: inline-block; width: auto;">\n' +
' <div class="modal-content">\n' +
' <img' +
'\t\t\t class="carousel-inner img-responsive img-rounded img-viewer" draggable="false"\n' +
'\t\t\t onclick="/*$(\'#bootstrapViewer\').modal(\'hide\');setTimeout(function(){$(\'#bootstrapViewer\').remove();},200);*/"\n' +
'\t\t\t onmouseover="this.style.cursor=\'move\';" \n' +
'\t\t\t onmouseout="this.style.cursor=\'default\'" \n' +
'\t\t\t />\n' +
' </div>\n' +
' </div>\n' +
' </div>');
$('body').append(viewer);
if ($(this).attr(opts.src)) {
$("#bootstrapViewer").find(".img-viewer").attr("src", $(this).attr(opts.src));
$("#bootstrapViewer").modal();
} else {
throw "图片不存在"
}
$('#bootstrapViewer').on('hidden.bs.modal', function(){
$('#bootstrapViewer').remove();
});
var $moveDiv = $('#bootstrapViewer .modal-dialog');
var isMove = false;
var div_x = $moveDiv.offset().left;
var div_y = $moveDiv.offset().top;
var mousedownFunc = function (e) {
if (isMove) {
var left = e.pageX - div_x;
var top = e.pageY - div_y;
if(left < 0){ left = 0}
if(top < 0){ top = 0}
$moveDiv.css({"left": left, "top":top});
}
}
$moveDiv.mousedown(function (e) {
$moveDiv.css({ left: $moveDiv[0].offsetLeft, top: $moveDiv[0].offsetTop, marginTop: 0, position: 'absolute' });
isMove = true;
div_x = e.pageX - $moveDiv.offset().left;
div_y = e.pageY - $moveDiv.offset().top;
$(document).mousemove(mousedownFunc);
}).mouseup(function () {
isMove = false;
$(document).unbind('mousemove', mousedownFunc);
});
})
$(this).on('mouseover', function () {
$(this).css('cursor', 'zoom-in');
})
}
$.fn.bootstrapViewer.defaults = {
src: 'src'
}