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| "use strict";
!(function($) {
var pluginName = "ajaxImageUpload",
defaults = {
fileInput: '',
postUrl: '',
deleteUrl: '',
fileServerUrl: '',
width: 150,
height: 150,
imageUrl: [],
postData: {},
allowZoom: true,
allowType: ["gif", "jpeg", "jpg", "bmp", "png"],
maxNum: 5,
maxSize: 1,
appendMethod: 'before',
before: $.noop,
success: $.noop,
error: $.noop,
complete: $.noop
};
function Plugin(element, options) {
this.element = element;
this.settings = $.extend({}, defaults, options);
this._defaults = defaults;
this._name = pluginName;
this.complete = true;
this.code = 0;
this.msg = '';
this.init();
}
Plugin.prototype = {
init: function() {
var $self = this,
$this = $(this.element),
$imageUrl = $self.settings.imageUrl;
$self.createSectionBox();
if ($imageUrl.length > 0) {
for (var $i = 0; $i < $imageUrl.length; $i++) {
$self.createImageSection($imageUrl[$i]);
}
}
$this.find("input[type=file]").on('change', function() {
$self.selectFile();
});
},
selectFile: function() {
var $self = this,
$this = $(this.element),
$maxNum = $self.settings.maxNum,
$maxSize = $self.settings.maxSize,
$postUrl = $self.settings.postUrl,
$fileInput = $self.settings.fileInput,
$before = $self.settings.before,
$complete = $self.settings.complete,
$uploadInput = $this.find("input[type=file]"),
$imageSection = $this.find('.ggy-image-section');
if (!$postUrl) {
$self.callError("300", "没有配置postUrl");
$self.resetFile();
return false;
}
if (!$fileInput) {
$self.callError("301", "没有配置fileInput");
$self.resetFile();
return false;
}
if ($before && $before() === false) {
$self.resetFile();
return false;
}
var $files = $uploadInput[0].files;
if ($files.length + $imageSection.length > $maxNum) {
$self.callError("302", "上传图片数目不能超过" + $maxNum + "个");
$self.resetFile();
return false;
}
for (var $i = 0; $i < $files.length; $i++) {
var $file = $files[$i];
if (!$self.isAllowFile($file)) {
$self.callError("303", $file.name + " 图片类型不支持");
$self.resetFile();
break;
}
if ($self.getFileSize($file) > $maxSize) {
$self.callError("304", '上传图片不能超过' + $maxSize + 'M，当前上传图片的大小为' + $fileSize.toFixed(2) + 'M');
$self.resetFile();
break;
}
$self.createImageSection();
$self.ajaxUpload($file);
}
if ($self.complete == true) {
$complete();
}
$self.resetFile();
},
createSectionBox: function() {
var $self = this,
$this = $(this.element),
$fileInput = $self.settings.fileInput,
$sectionBox = $("<div class='ggy-section-box'></div>"),
$uploadSection = $("<section class='ggy-upload-section'></section>"),
$modalSection = $("<section class='ggy-modal-section'></section>"),
$uploadIcon = $("<i class='ggy-upload-icon'></i>"),
$uploadInput = $("<input type='file' name='" + $fileInput + "' class='ggy-upload-input' accept='image/*' multiple='multiple'>");
$sectionBox.appendTo($this);
$uploadSection.appendTo($sectionBox);
$uploadIcon.appendTo($uploadSection);
$uploadInput.appendTo($uploadSection);
$modalSection.appendTo($sectionBox);
$modalSection.on('click', function(event) {
event.stopPropagation();
$modalSection.hide();
});
},
createImageSection: function($src) {
var $self = this,
$fileServerUrl = $self.settings.fileServerUrl,
$this = $(this.element),
$width = $self.settings.width,
$height = $self.settings.height,
$fileInput = $self.settings.fileInput,
$allowZoom = $self.settings.allowZoom,
$appendMethod = $self.settings.appendMethod,
$sectionBox = $this.find(".ggy-section-box"),
$uploadSection = $this.find(".ggy-upload-section"),
$imageSection = $("<section class='ggy-image-section loading'></section>"),
$imageShade = $("<div class='ggy-image-shade'></div>"),
$hiddenInput = $("<input type='hidden' name='" + $fileInput + "[]' value='" + $fileServerUrl + $src + "'>"),
$imageShow = $("<img class='ggy-image-show shade' src='" + $fileServerUrl + $src + "'/>");
if ($src) {
$imageShow = $("<img class='ggy-image-show' src='" + $fileServerUrl + $src + "'/>");
}
$imageSection.css({ 'width':$width, 'height':$height });
$uploadSection.css({ 'width':$width, 'height':$height });
switch ($appendMethod) {
case "before":
$sectionBox.prepend($imageSection);
break;
case "after":
$uploadSection.before($imageSection);
break;
}
$hiddenInput.appendTo($imageSection);
$imageShow.appendTo($imageSection);
$imageShade.appendTo($imageSection);
$self.createDeleteNode($imageSection);
if ($src && $allowZoom === true) {
$self.createZoomNode($imageSection);
}
},
createDeleteNode: function($imageSection) {
var $this = $(this.element),
$deleteUrl = this.settings.deleteUrl,
$fileServerUrl = this.settings.fileServerUrl,
$modalSection = $this.find(".ggy-modal-section"),
$deleteIcon = $("<i class='ggy-delete-icon'></i>"),
$deleteBox = $("<div class='ggy-modal-box ggy-delete-box'><p class='ggy-delete-tip'>您确定要删除吗？</p><p class='ggy-delete-btn'> <span class='ggy-confirm-btn'>确定</span><span class='ggy-cancel-btn'>取消</span></p></div>");
$deleteIcon.appendTo($imageSection);
let deleteSrc = "";
$imageSection.find(".ggy-delete-icon").on('click', function(event) {
event.stopPropagation();
$modalSection.html($deleteBox);
$modalSection.show();
deleteSrc = $(this).parent().find('input[type=hidden]').val();
console.log(deleteSrc)
});
$deleteBox.find(".ggy-confirm-btn").on('click', function(event) {
event.stopPropagation();
$modalSection.hide();
$imageSection.remove();
$deleteBox.remove();
$.ajax({
url: $deleteUrl + "?paths=" + deleteSrc.replace($fileServerUrl,""),
type: 'get',
async: false,
dataType: 'json',
success: function($json) {
console.log($json);
},
error: function(jqXHR, textStatus, errorThrown) {
}
});
});
$deleteBox.find(".ggy-cancel-btn").on('click', function(event) {
event.stopPropagation();
$modalSection.hide();
return false;
});
},
createZoomNode: function($imageSection) {
var $this = $(this.element),
$imageShow = $imageSection.find(".ggy-image-show"),
$modalSection = $this.find(".ggy-modal-section"),
$zoomIcon = $("<i class='ggy-zoom-icon'></i>"),
$zoomBox = $("<div class='ggy-modal-box ggy-zoom-box'><img src=''/></div>");
$zoomBox.find('img').attr('src', $imageShow.attr('src'));
$zoomIcon.appendTo($imageSection);
$imageSection.find(".ggy-zoom-icon").on('click', function(event) {
event.stopPropagation();
$modalSection.html($zoomBox);
$modalSection.show();
});
},
ajaxUpload: function($file) {
var $self = this,
$this = $(this.element),
$fileServerUrl = $self.settings.fileServerUrl,
$fileInput = $self.settings.fileInput,
$postData = $self.settings.postData,
$postUrl = $self.settings.postUrl,
$allowZoom = $self.settings.allowZoom,
$success = $self.settings.success,
$appendMethod = $self.settings.appendMethod;
switch ($appendMethod) {
case "before":
var $imageSection = $this.find('.ggy-image-section:first');
var $imageShow = $this.find('.ggy-image-show:first');
break;
case "after":
var $imageSection = $this.find('.ggy-image-section:last');
var $imageShow = $this.find('.ggy-image-show:last');
break;
}
var $formData = new FormData();
$formData.append($fileInput, $file);
for (var $key in $postData) {
$formData.append($key, $postData[$key]);
}
$.ajax({
url: $postUrl,
type: 'post',
async: false,
data: $formData,
processData: false,
contentType: false,
dataType: 'json',
mimeType: "multipart/form-data",
success: function($json) {
if ($json.code != 200) {
$self.callError($json.code, $json.msg);
$imageSection.remove();
return false;
}
$imageShow.removeClass("shade").attr('src', $fileServerUrl + $json.src);
$imageSection.find('input[type=hidden]').val($json.src);
if ($allowZoom === true) {
$self.createZoomNode($imageSection);
}
$self.complete *= true;
$success($json);
},
error: function(jqXHR, textStatus, errorThrown) {
$self.callError(jqXHR.status, 'AjaxUrl Service Error:' + jqXHR.statusText);
$imageSection.remove();
}
});
},
isAllowFile: function($file) {
var $allowType = this.settings.allowType,
$fileExt = this.getFileExt($file);
if ($.inArray($fileExt, $allowType) != -1) {
return true;
}
return false;
},
getFileExt: function($file) {
var $fileName = $file.name,
$index = $fileName.lastIndexOf('.');
if ($index < 1) {
return '';
}
return $fileName.substr($index + 1).toLowerCase();
},
getFileSize: function($file) {
return ($file.size) / (1024 * 1024);
},
resetFile: function() {
$(this.element).find("input[type=file]").val(null);
},
callError: function($code, $msg) {
var $self = this,
$error = $self.settings.error;
$self.complete *= false;
$self.code = $code;
$self.msg = $msg;
$error($self);
}
};
$.fn[pluginName] = function(options) {
return this.each(function() {
if (!$.data(this, "plugin_" + pluginName)) {
$.data(this, "plugin_" + pluginName, new Plugin(this, options));
}
});
};
})(jQuery, window, document);
|
