所以我有一个knockout js模板,它显示这样的字段 ,并且可以编辑、删除和添加新行。 因此,当我单击 instantor 中的编辑时,它会显示“选择公司”,而不是给我第一个选项作为 Instantor 进行编辑。 最后,当我尝试添加新项目时,它不显示选择公司,它只是首先提供即时器选项,而不是像这样显示的“选择公司”。
所以我想要修复的是,在编辑时它应该显示即时器而不是选择公司,当我添加新项目时它应该显示选择公司而不是复制顶部字段。
这是模板的代码。
<script id="RRitemTmpl" type="text/html">
<tr>
<td class="" data-bind="text: Company"></td>
<td class="text-center" data-bind="text: third_party_rr_value"></td>
<td class="text-center" style="vertical-align:middle;">
<div data-bind="if: status() > 0">
<button type="button" class="btn btn-default btn-xs" data-bind="click: $parent.editItem">Edit</button>
<button type="button" class="btn btn-default btn-xs" data-bind="click: $parent.deleteItem">Delete</button>
</div>
<div data-bind="if: status() < 1">
<span data-bind="text: status_description"></span>
</div>
</td>
</tr>
</script>
<script id="RReditTmpl" type="text/html">
<tr>
<td class="text-center">
<select id="selected_currency_local" class="form-control input-sm" data-bind="options: $root.availableCompanies,
optionsText: 'text_value',
value: $parent.selectedCompanyLocal,
optionsCaption: 'Choose Company'">
</select>
</td>
<td class="text-center">
<input type="text" class="form-control input-sm text-left" data-bind="value: third_party_rr_value" />
</td>
<td class="text-center" style="vertical-align:middle;">
<button type="button" class="btn btn-default btn-xs" data-bind="click: $parent.acceptItemEdit">Accept</button>
<button type="button" class="btn btn-default btn-xs" data-bind="click: $parent.cancelItemEdit">Cancel</button>
</td>
</tr>
</script>
以防万一,如果有必要,我会给出 js 文件代码。
var ThirdPartyRRViewModel = function(parent, items) {
var root = parent;
var self = this;
this.items = ko.observableArray(items);
this.selectedItem = ko.observable();
/*Observable for storing the data of the company selected */
self.selectedCompanyLocal = ko.observable();
this.addItem = function() {
$.each(root.availableCompanies(), function (index, companyItem) {
if (companyItem.ID == root.userRiskRate().Company) {
self.selectedCompanyLocal(companyItem);
}
});
var newThird = {"ID":0, "ORIG_ID":0, "Company":self.selectedCompanyLocal().text_value,
"third_party_rr_value":0,
"status":1, "status_description":"Active"};
var newItem = new ThirdPartyItem(newThird);
self.items.push(newItem);
self.selectedItem(newItem);
};
this.deleteItem = function(itemToDelete) {
/* If ORIG_ID is greater than > 0, useropenloan row has been read from the database
and can not be removed, but cancelled. */
if (itemToDelete.ORIG_ID() > 0) {
itemToDelete.status(-1); /* Indicates to server that this item should be updated to cancelled. */
itemToDelete.status_description('Will be cancelled');
itemToDelete.itemIsEdited(1);
} else {
self.items.remove(itemToDelete);
}
self.selectedItem(null);
};
this.editItem = function(ThirdPartyItem) {
$.each(root.availableCompanies(), function (index, companyItem) {
if (companyItem.ID == ThirdPartyItem.Company()) {
self.selectedCompanyLocal(companyItem);
}
});
self.selectedItem(ThirdPartyItem);
};
this.acceptItemEdit = function() {
self.selectedItem().third_party_rr_type(self.selectedCompanyLocal().text_code);
self.selectedItem().Company(self.selectedCompanyLocal().text_value);
self.selectedItem().third_party_rr_type.commit();
self.selectedItem().Company.commit();
self.selectedItem().third_party_rr_value.commit();
self.selectedItem().itemIsEdited(1);
self.selectedItem(null);
self.selectedCompanyLocal(null);
};
this.cancelItemEdit = function() {
self.selectedItem().Company.reset();
self.selectedItem().third_party_rr_value.reset();
self.selectedItem(null);
self.selectedCompanyLocal(null);
};
this.templateToUse = function(item) {
return self.selectedItem() === item ? "RReditTmpl" : "RRitemTmpl";
};
};
最佳答案
在代码中将 "Company":self.selectedCompanyLocal().text_value
更改为 "Company":self.selectedCompanyLocal()
它应该可以工作。
关于javascript - 编辑、删除和下拉显示正确的字段 knockout js,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34283695/