valuechangelistener

JSF- passing a parameter to valuechangelistener

由 主宰稳场 提交于 2019-12-10 02:42:02
问题 I have a litte radiobutton like this : <h:selectOneRadio value="#{test.answer}" valueChangeListener="#{TestService.changeanswer}" immediate="true" id="answer"> <f:selectItem itemValue="A" itemLabel="Absolutely True"/> <f:selectItem itemValue="B" itemLabel="True"/> <f:selectItem itemValue="C" itemLabel="Partially True"/> <f:selectItem itemValue="D" itemLabel="Not True"/> <f:selectItem itemValue="E" itemLabel="Definitely Not True"/> <f:ajax event="change" process="answer"></f:ajax></h

Trigger valueChange with Initialized value - angular2

由 你说的曾经没有我的故事 提交于 2019-12-09 06:42:26
问题 I'm writing an angular2 application and I'm stuck with something. First of all, I have a select which is bind to a formControl : export class MyComponent implements OnInit { profilesBy: Observable<any[]>; myControl = new FormControl(); constructor(public http: Http) { this.profilesBy = this.myControl.valueChanges .map(text => new formatQuery(text.value)) .switchMap(body => this.getGroupBy(body, this.url), (_, res)=> res.json().aggregations.group_by_type.buckets); } } so, myControl is the

JTable valuechanged then change cell color

由 断了今生、忘了曾经 提交于 2019-12-08 07:35:31
问题 I have here a JTable with two(2) columns. The right column is an editable one while the other is not. So, what my problem is that whenever the user changed the value of a cell, that specific cell will changed its cell color. I wanna do this because I want to let the user know that he/she made some changes in the table. I found this somewhere and it somehow solved my problem but 1 thing that didn't come up with my expectation is that after changing the value and clicked another cell, the color

Setter not called for input text

由 て烟熏妆下的殇ゞ 提交于 2019-12-08 04:23:56
问题 I have a form which has a input text and a set of radio buttons. When a radio button is clicked I am invoking a value change listener. Inside the value change listener I am printing the value user has entered in the input text field. But I always get the older value of the text field and not the new value which the user is entering. I understand that ValueChangeListener comes under the Validation cycle. But if I need to access the new value of the input field what should I do? Note: The

how to use value change listener

由 老子叫甜甜 提交于 2019-12-08 01:54:50
问题 I don't know how to deal with f:valueChangeListener , I want to select country and the capital appear so this is my code but it doen't work what is miss or what is the wrong? Country: <h:selectOneMenu value="#{event.country}" onchange="submit()"> <f:valueChangeListener type="org.jsf.model.ValueListener"/> <f:selectItems value="#{event.countries}"/> </h:selectOneMenu> Capital: #{event.capital} My Managed bean public class EventsBean{ private String capital; private String country; String

JTable valuechanged then change cell color

由 北城余情 提交于 2019-12-07 02:23:25
I have here a JTable with two(2) columns. The right column is an editable one while the other is not. So, what my problem is that whenever the user changed the value of a cell, that specific cell will changed its cell color. I wanna do this because I want to let the user know that he/she made some changes in the table. I found this somewhere and it somehow solved my problem but 1 thing that didn't come up with my expectation is that after changing the value and clicked another cell, the color changes back to its original color. I want to let it stay until it is saved. @Override public

how to use value change listener

由 余生长醉 提交于 2019-12-06 09:06:46
I don't know how to deal with f:valueChangeListener , I want to select country and the capital appear so this is my code but it doen't work what is miss or what is the wrong? Country: <h:selectOneMenu value="#{event.country}" onchange="submit()"> <f:valueChangeListener type="org.jsf.model.ValueListener"/> <f:selectItems value="#{event.countries}"/> </h:selectOneMenu> Capital: #{event.capital} My Managed bean public class EventsBean{ private String capital; private String country; String countryCapital; private String [] countries = {"Select","Egypt","United States","Kuwait"}; public String[]

<h:selectOneMenu> value change listener invoked for all dropdowns instead of only the current

由 这一生的挚爱 提交于 2019-12-06 01:45:44
I'm using MyFaces 1.1. I have two <h:selectOneMenu> s dropdowns which each point to same valueChangeListener method. <h:selectOneMenu id="d1" value="#{mybean.selectedChannel1}" onchange="submit()" valueChangeListener="#{myform.channelValuechange}"> <f:selectItems value="#{mybean.channelList}"/> </h:selectOneMenu> <h:selectOneMenu id="d2" value="#{mybean.selectedChannel2}" onchange="submit()" valueChangeListener="#{myform.channelValuechange}"> <f:selectItems value="#{mybean.channelList}"/> </h:selectOneMenu> When I change the first dropdown, then the value change listener method get fired

Trigger valueChange with Initialized value - angular2

由 柔情痞子 提交于 2019-12-03 09:08:33
I'm writing an angular2 application and I'm stuck with something. First of all, I have a select which is bind to a formControl : export class MyComponent implements OnInit { profilesBy: Observable<any[]>; myControl = new FormControl(); constructor(public http: Http) { this.profilesBy = this.myControl.valueChanges .map(text => new formatQuery(text.value)) .switchMap(body => this.getGroupBy(body, this.url), (_, res)=> res.json().aggregations.group_by_type.buckets); } } so, myControl is the formControl , and profilesBy is an Observable of array. The formatQuery just format a body for the query

QT non-interactive UI value updation

由 夙愿已清 提交于 2019-12-02 16:11:19
问题 I have designed a very simple qt application (UI widget) that displays 3 floating point values in text boxes. There is one main function (the likes of the QT beginner tutorial) doing all the processing and a QMainWindow class with 3 text boxes, that are set through setter methods in this QMainWindow; these methods are called from the main function and I simply pass the sensor readings. All it's supposed to do is keep updating the values on the UI as they change in the background process. This
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