This document is a series of HOWTOs on using the OFBIZ form-widget to create forms.
* Important warning about submit button names: Don't name your submit field "submit", because this will cause a bug "button.form.submit is not a function"
关于submit按钮的重要警告:不要将提交按钮命名为"submit",这将导致一个bug:"button.form.submit is not a function"
<field name="submit" ...> <!- Don't do this! call it "submitButton" instead. -->
For reference on this: http://www.chovy.com/2005/06/21/1/javascript-error-submit-is-not-a-function/
* How to make each line of a list form a submit form of its own
<form ... type="list" target=""...> where target is the target of each line item of the form
For each <field> which has input values, use a <text> or <date-time> instead of <display> tag
对于需要编辑的域,使用标记:<text>或<date-time>来替代<display>
Then make a submit button (see below):
* How to make one form and submit button per list entry
如何在一个form中提交每一个列表项
First, create your form as normal. Then add a submit button of type "text-link":
首先,创建一个普通的form,添加一个类型为"text-link"的submit按钮。
<field name="submitButton" title="ButtonTextLabel" widget-style="buttontext" use-when="hasUpdatePermission==true">
<submit button-type="text-link"/>
</field>
Next, create a service and invoke it as a regular (not multi) service. Only the row which was submitted will be processed.
然后,创建一个service并以一个规则的service调用。只有提交的行才会被更新。
* How to display a field as a currency
<field name="${amount}"><display type="currency" currency="${currencyUomId}"/></field>
The currencyUomId must be part of the entity, or you can hardcode it (e.g., currency="USD")
输出一个货币域。currencyUomId必须是实体的一个属性或者被硬编码。
* How to display a date/time input field
如何输出一个日期/时间对象
<field name="dateField"><date-time/></field>
This will display it as a timestamp. For input fields, it will also put a javascript calendar next to it.
这将输出一个timestamp,在输入框后有一个日期选择控件。
To display it as a date only, use
只输出一个
<date-time type="date"/>
To display only a time, use
<date-time type="time"/>
A much better way to input date + time,
<field name="something"><date-time type="timestamp" input-method="time-dropdown" clock="12"/>
This generates a standard date input with dropdowns to select the hour, minutes, and AM/PM.
* How to display a date/time as text
如何输出一个text的时间
<field name="dateField"><display/></field>
Sometimes it will appear red, in which case do the following to stop that:
日期显示为红色
<field name="dateField" red-when="false"><display/></field>
Sometimes you want to truncate the hours, minutes and so on to show only the date (watch out for bsh errors)
<field name="dateField"><display description="${bsh: dateField.substring(0,10)}"/></field>
* How to default date time fields to now
设置默认时间
In general, you can use the ${bsh: } directive to invoke bsh in the form widget to display values. This is one
good example of it:
<field name="productsSoldThruTimestamp" title="${uiLabelMap.ProductShowProductsSoldThruTimestamp}" widget-style="inputBox">
<date-time default-value="${bsh: org.ofbiz.base.util.UtilDateTime.nowTimestamp()}"/>
</field>
* How to change the style of a form widget
Form widget styles are CSS styles listed in /images/maincss.css and /images/tabstyles.css
Two ways: block level and inline style
block: equivalent to the styles you'd give to a <p>, <div> or <table>
<field widget-area-style="css_block_style">
inline: equivalent to the styles you'd give to a <span> or <em>
<field widget-style="css_inline_style">
* How to tell the form what map or list to use
如何让一个form使用一个map或list
<form type="single" default-map-name="map">
<form type="list" list-name="list">
<form type="multi" list-name="list">
* How to pass a parameter on to the "success" view when a form is successfully processed
当一个form成功处理后如何传递一个参数到success视图
For example, suppose you have a "createNoteForm" form to create notes and when it finishes, you want
to continue to "viewParty?partyId=${partyId}". How do you pass the partyId to the next view-map (viewParty)
when the form is submitted? There's a trick to do this:
例如,假如有个"createNoteForm",当它提交后需要创建notes,然后跳转到页面"viewParty?partyId=${partyId}"。
当提交的时候如何传递partyId给下一个视图?
<form name="createNoteForm" target="createNote?partyId=${partyId}" ...>
And in controller.xml:
<request-map uri="createNote">
<event type="service" invoke="createNote"/>
<response name="success" type="view" value="viewParty"/>
</request>
The "viewParty" view-map will then be invoked with the partyId in the parameters.
* How to call Java from within a display tag
<display description="${bsh: code_here }"/>
ex:
<field position="1" name="invoiceAmount"><display description="${bsh:org.ofbiz.accounting.invoice.InvoiceWorker.getInvoiceTotalBd(delegator,invoiceId)}" type="currency" currency="${invoice.currencyUomId}" also-hidden="false"/></field>
For double quotes ("), use the xml directive "
* How to set the length and maxsize of a text field
<text size="10" maxlength="20"/>
* How to make a tooltip box appear above a field when hoving over it
<field tooltip="tooltip-text">
* How to mark a field as required
Change the widget style to something that stands out and maybe add an asterix after the description.
* How to create a drop down
<drop-down allow-empty="true">
<option key="parameterValue1" description="selectText1"/>
<option key="parameterValue2" description="selectText2"/>
<option key="parameterValue3" description="selectText3"/>
</drop-down>
* How to specify default values for a drop down
<drop-down current="selected" no-current-selected-key="default value">
current="selected" tells it to make the current key selected, so if you're refilling out a form, a selected field will be selected again
no-current-key-selected= is used to specify a default value. It can be a literal value ("USD") or a variable ("${currencyUomId"})
* How to make multi column forms
<field name="firstColumn" position="1"/>
<field name="secondColumn" position="2"/>
<field name="thirdColumn" position="3"/>
...
<field name="firstColumnNextRow" position="1"/>
<field name="secondColumnNextRow" position="2"/>
...
* How to make a "multi" form to list and operate on many entities at once
<pre>
<form type="multi" use-row-submit="true" target="controllerTarget">
<field name="submitButton" title="ButtonName"><submit/></field>
</form>
</pre>
use-row-submit
"false" will invoke a multi service for every row. This is the default
"true" will invoke a multi service only when the row is checked
submitButton
a single submit button at the bottom of the list
target
specify <event type="service-multi" invoke="serviceName"> in controller.xml request-map controllerTarget
to invoke serviceName once for each row according to use-row-submit
* How to then pass just one field back to the multi-form
What if you need to pass just one field to a multi-form, such as a facilityId? One way (maybe not the best way!) is to put into the form target URL, like this:
target="BatchScheduleShipmentRouteSegments?facilityId=${facilityId}"
* How to have each row of a multi-form be selected by default
This is very tricky, but I saw Jacopo do it in commit r 448936, tried it, and it worked! You have to set it in the
screen-widget in the <actions> section like this:
<set field="_rowSubmit" value="Y"/>
* How to reference the description field from a related entity, such as displaying
StatusItem.description when the field is statusId (and similar)
me="statusId" title="Return Status" widget-style="selectBox">
<display-entity entity-name="Foo"/>
<display-entity entity-name="Foo" key-field-name="fooId"/>
<display-entity entity-name="Foo" description="${something} - ${complex}"/>
by default this retrieves the description from the field named "description"
- use description="" to format the output: the context will contain the
entities fields and their values
use key-field-name="primaryKeyId" if the field name is different from the
entity's field name (e.g., the field is paymentStatusId but we're looking up
StatusItem.statusId, so use key-field-name="statusId")
* Using the sub-hyperlink to put a link next to display entity
Here is an example where you can use display-entity to cross-reference data from a related entity,
then put a link as well:
<field name="glAccountId" title="Account" widget-style="tabletext">
<display-entity entity-name="GlAccount" description="${accountName}">
<sub-hyperlink target="ListGlAccountEntries?glAccountId=${glAccountId}" description="[${glAccountId}]" link-style="tabletext"/>
</display-entity>
</field>
* How to get a set of options from StatusItem table
<field name="fooStatusId" title="Foo Status" widget-style="selectBox">
<drop-down>
<entity-options entity-name="StatusItem" description="${description}">
<entity-constraint name="statusTypeId" value="ORDER_RETURN_STTS"/>
<entity-order-by field-name="sequenceId"/>
</entity-options>
</drop-down>
</field>
NOTE: This will filter by date if a fromDate and thruDate are present. Make sure that these fields are of type="date-time" and not "date",
otherwise you'll get a mysterious class cast exception with Date in the error log. If you want to avoid the filter, you can specify:
<entity-options filter-by-date="false">
A good example of this is CustomTimePeriod which has fromDate and thruDate of type "date", but will crash unless you stop the filter by date.
It's good practice to specify filter-by-date if the entity has a fromDate and thruDate just to make it explicit.
* How to turn a field into a link
Use the <hyerlink ../> tag inside of <field> ... </field> with description= for the
anchor text on the form and target= for the link to use. Use the target-type="inter-app"
when the hyperlink goes to a different webapp (ie, from marketing to party manager).
Ex:
<hyperlink description="${visitId}" target="/partymgr/control/visitdetail?visitId=${visitId}&DONE_PAGE=${donePage}" target-type="inter-app"/>
IMPORTANT: use XML notation such as & when entering HTML tag with special characters such as "&"
* How to disable display/execution of a field with a condition
<field name="fooId" use-when="${bsh:fooId!=null}">
<field name="fooId" use-when="fooId!=null"> <!-- values are from context -->
use-when="true" will cause a field always to display.
use-when="false" will cause a field never to display.
use-when is interpreted as beanshell using the current beanshell interpreter context. You can test for variables
from the screen widget that were defined with <set field="field" value="value"/>. You can also invoke Java methods that
return a boolean true/false with something like
use-when="com.mysite.MyClass.myStaticBooleanMethod(myParameter);"
IMPORTANT: Due to the way beanshell works, testing "foo==null" will return true if foo has not been defined yet! This is
because beanshell considers undefined parameters as "void", and void is not consiered to be null. You can see this behavior
for yourself by executing this bsh: print("Is foo null? " + (foo==null) + ". Is foo void? " + (foo==void));
What if you have a list form and need to access a field from each member of the list? After some (rather blind) trial and
error, we found that the magic word is "context", as in:
<form name="MyForm" ... list-name="myList">
<field name="myField" use-when="context.getString("myField").equals("someValue")">....
this will test "myField" in each element of myList in your use-when
IMPORTANT: Also note that most other form-widget fields that accept ${} notation uses FTL markup language, not beanshell.
This leads to situations where you have use-when="parameters.get("fieldName")" and later on, description="${parameters.fieldName}"
* How to set the default styles of a form
- headers/titles: <form default-title-style="tableheadtext">
- text: <form default-widget-style="tabletext">
- tooltip: <form default-tooltip-style="tableheadtext"> (tooltip is the text next to the input or display fields)
* How to show a list of valid status changes
OFBIZ uses the StatusValidChange entity to control valid status transitions. You can use the StatusValidChangeToDetail and your current
statusId to control the list of status in a drop down, so the user doesn't try to make an illegal status change:
<field name="statusId" use-when="communicationEvent!=null" title="${uiLabelMap.CommonStatus}" widget-style="selectBox">
<drop-down allow-empty="false" current-description="${uiLabelMap.CommonSelectOne}">
<entity-options entity-name="StatusValidChangeToDetail" key-field-name="statusIdTo" description="${transitionName}">
<entity-constraint name="statusId" value="${communicationEvent.statusId}"/>
<entity-order-by field-name="sequenceId"/>
</entity-options>
</drop-down>
</field>
This is from applications/marketing/webapp/marketing/contact/ContactListForms.xml
Note that current-description tag here needs to be something like ${uiLabelMap.CommonSelectOne} - trying to lookup
${currentStatus.description} would just return the current statusId.
* How to fill-in default values on a form
<form name="myForm" default-map-name="displayValue" ..>
will pre-fill an input form with the values from displayValue. Note that displayValue can either be a Java Map or
an OFBIZ GenericValue. This allows you to add new fields to your display form from an OFBIZ GenericValue. Here is a neat
trick you can do in beanshell (.bsh):
value = delegator.findByPrimaryKey("SomeGenericValue", UtilMisc.toMap("keyField", keyFieldId));
displayValue = new HashMap();
displayValue.putAll(value.getAllFields());
displayValue.put("another Field", anotherValue);
// etc. etc.
context.put("displayValue", displayValue);
* How to add some descriptive text in the middle of a form
This is a hack, pure and simple. Let's say you want some text in the middle of the same form so there are
separate sections to your form. You can create a "dummy" field with a description of your text and use CSS
to make it look like a section divider:
<field name="" widget-style="tableheadtext"><display description="Arbitrary Text"/> </field>
What if you need several lines of this spread throughout your form? Each field name is only displayed by the
form widget once, so you'll need several slightly different field names, like this:
<field name=" " widget-style="tableheadtext"><display description="More Arbitrary Text"/> </field>
<field name=" " widget-style="tableheadtext"><display description="Still More Arbitrary Text"/> </field>
* How to use the same field or value more than once on the form
Let's say you need to display productId twice on your form, once as productId and once as the product description.
The form widget will only display each field name="" once. You can explicitly set the 'entry-name' attribute (by default the
'entry-name' attribute is equals to the 'name' attribute) to make it display the same field twice.
<field name="productId"><display/></field>
<field name="productDescription" entry-name="productId">
<display-entity entity-name="Product"/> <!-- defaults to display description -->
</field>
(Thanks to Jacopo for this tip.)
* How to put in a lookup form with a widget button
In the form widget, use the <lookup-target > for the field:
<field name="productId"><lookup target-form-name="LookupProduct" size="20"/></field>
This will put a link to <javascript:call_fieldlookup2(name_of_form_field, "LookupProduct")
around the /content/images/fieldlookup.gif image to call request LookupProduct.
In your controller, put a request-map and a view-map for this target
<request-map uri="LookupProduct"><security auth="true" https="true"/><response name="success" type="view" value="LookupProduct"/></request-map>
<view-map name="LookupProduct" page="component://product/widget/catalog/LookupScreens.xml#LookupProduct" type="screen"/>
The screen appears to be just a regular OFBIZ screen widget definition. The typical lookup screen has two sections: a lookup fields form
and a list-of-results form.
The lookup field form is just a regular form, except the entry fields may use <text-find/> instead of <text/> to generate the
Begins With/Contains/Ignore Case etc. etc. options next to the text entry box
<field name="productId" title="${uiLabelMap.ProductProductId}"><text-find/></field>
The target of this form should be the same as before, ie "LookupProduct"
The list-of-results form is also just a regular list form with the display fields, except for the field which should cause a value
to be set back on the original form, you need a <hyperlink > tag with target="" attribute to call javascript:set_values()
with the values to set, as in:
<field name="productId" title=" " widget-style="buttontext" use-when="isVirtual==null||"${isVirtual}".equals("N")">
<hyperlink also-hidden="false" target-type="plain" description="${productId}" target="javascript:set_values('${productId}', '${internalName}')"/>
</field>
or:
<field name="partyId" title="${uiLabelMap.PartyPartyId}" widget-style="buttontext">
<hyperlink also-hidden="false" target-type="plain" description="${partyId}" target="javascript:set_value('${partyId}')"/>
</field>
Note that target-type is very important. It tells OFBIZ not to put the <@ofbizUrl> tag in front of it.
* How to control how the lookups work
<text-find> has a default-option attribute and an ignore-case attribute. default-option is set by default to "like" but can be set to "contains", "equals", and "empty"
ignore-case is by default set to "true" but can be turned off and set to "false".
* How to reuse list form for both lookup and list
1. use the use-when directive to check if a field has been set (not just check for null, but actually for its value)
2. do a <set field="isLookup" value="true|false" global="true"> in the top-level decorator of both your LookupScreens.xml and your CommonScreens.xml
* What if you have a list-name and list-iterator-name for list form?
The list-iterator-name takes precedence over the list-name. (see ModelForm.java renderItemRows method.)
* How to use FTL with form-widget
Right now the best way is to tell the form not to generate the form header or trailer, and then use the screen widget
to piece it together with some FTL. This can be done with a skip-start="true" and skip-end="true" attributes of <form ..>
* A word about error messages
Sometimes you'll get a message like:
org.xml.sax.SAXParseException: Attribute "widget-style" was already specified for element "field". (Error rendering included form named [MyForm] at location [component://.../MyForms.xml]
BE CAREFUL! It may or may not be that particular form in that Forms.xml file.
* How to select only the fields required for our target service from the input map
<auto-fields-service service-name="serviceToInvoke" default-field-type="display|edit|find|hidden"/>
If we get our data from a map other than the default, specify it with map-name="otherMap"
* How to select only the fields in a given entity from the input map
<auto-fields-entity entity-name="Entity" default-field-type="display|edit|find|hidden"/>
* Fancy formatting of list forms: see http://jira.undersunconsulting.com/browse/OFBIZ-655 for some examples of fancy formatting for list forms. Here's a quic example,
<form name="BigListForm" type="list"
default-table-style="cssStyleForTable"
header-row-style="cssStyleForHeader"
even-row-style="rowWhite"
odd-row-style="rowLightGray">
* Paginated forms - for when your list is too large and you need [Previous] and [Next] to page through results.
Note that pagination is automatic if you set viewSize and viewIndex in your screen and set the paginate-target in the form. The rest of these settings are for
"customizing" your pagination:
<form name="BigListForm" type="list"
paginate-target="${ URL where Prev and Next buttons should link to }"
paginate-target-anchor="${ attaches text as an anchor to the target after URL parameters }"
paginate-size-field="bigListSize"
paginate-index-field="bigListIndex"
paginate-previous-label="${ text for [Previous] link }"
paginate-next-label="${ text for [Next] link}"
paginate-previous-style="cssStyleForPrevious"
paginate-next-style="cssStyleForNext"
......
This group of form attributes provides you with complete control over pagination. The minimal configuration
for one list form on a page is simply,
paginate-target=" where you want [Previous] and [Next] to go "
For multiple lists on a single page, it is necessary to provide different -size-field and -index-field
parameter names for each. If you don't, then all lists will use the VIEW_SIZE and VIEW_INDEX parameters
to paginate. This will have the undesired effect of advancing all lists by one page if you click on
[Next] for any list!
And while you're at it, give each list a different -target-anchor. This will append
the anchor, say "bigListForm" to the UR. The result will be,
URL?parameters=foobar#bigLisForm
Then you can use <a name="anchorName"> in your ftl to make the [Previous] and [Next] buttons jump to that
part of the document rather than the top of the page.
If you want a name other than Previous or Next, say for localization, or you'd rather use "<<" and ">>"
instead, you can specify the text and the CSS style for the buttons with the -label and -style attributes.
* How to select null values
Sometimes you need to do a query like "SELECT ... WHERE value IS NULL". You can do this with entity-constraint
in the form (or screen) widget by using a "null" which is already in the environment, like this:
<entity-options entity-name="CostComponentType" description="${description}">
<entity-constraint name="parentTypeId" oeprator="equals" env-name="null"/>
</entity-options>
* List iterator and list
Beginning with OFBiz r 7451 (after opentaps 0.9), the list-iterator-name attribute for <form ..> is deprecated.
list-name="" will now accept either List or EntityListIterator. If you are using the performFind name, the
list-name must equal "listIt".
* How to set the alignment for the content of a column in a list form*
Use the field's attribute widget-area-style.
For example, to right align a field:
<field name="postedBalance" widget-area-style="tabletextright" widget-style="tabletext">
<display type="currency" currency="${defaultCurrencyUomId}"/>
</field>
* You can add a special html characters pretty easily, like this:
<!-- a cool way to show a check mark for reconciled transactions -->
<field name="reconciled" title="" widget-area-style="tabletext" use-when="reconcileStatusId.equals("AES_NOT_RECONCILED")"><display description="-"/></field>
<field name="reconciled" title="" widget-area-style="tabletext" use-when="reconcileStatusId.equals("AES_RECONCILED")"><display description="✓"/></field>d
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oracle的timestamp类型使用 -
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