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/*
* Copyright 2008 Google Inc.
*
* 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.
*/
package com.google.gwt.dom.client;
import com.google.gwt.core.client.JavaScriptObject;
/**
* Form control.
*
* Note: Depending upon the environment in which the page is being viewed, the
* value property may be read-only for the file upload input type. For the
* "password" input type, the actual value returned may be masked to prevent
* unauthorized use.
*
* @see W3C HTML Specification
*/
@TagName(InputElement.TAG)
public class InputElement extends Element {
public static final String TAG = "input";
/**
* Assert that the given {@link Element} is compatible with this class and
* automatically typecast it.
*/
public static InputElement as(Element elem) {
assert is(elem);
return (InputElement) elem;
}
/**
* Determines whether the given {@link JavaScriptObject} can be cast to
* this class. A null object will cause this method to
* return false.
*/
public static boolean is(JavaScriptObject o) {
if (Element.is(o)) {
return is((Element) o);
}
return false;
}
/**
* Determine whether the given {@link Node} can be cast to this class.
* A null node will cause this method to return
* false.
*/
public static boolean is(Node node) {
if (Element.is(node)) {
return is((Element) node);
}
return false;
}
/**
* Determine whether the given {@link Element} can be cast to this class.
* A null node will cause this method to return
* false.
*/
public static boolean is(Element elem) {
return elem != null && elem.hasTagName(TAG);
}
protected InputElement() {
}
/**
* Simulate a mouse-click. For INPUT elements whose type attribute has one of
* the following values: "button", "checkbox", "radio", "reset", or "submit".
*/
public final native void click() /*-{
this.click();
}-*/;
/**
* A comma-separated list of content types that a server processing this form
* will handle correctly.
*
* @see W3C HTML Specification
*/
public final native String getAccept() /*-{
return this.accept;
}-*/;
/**
* A single character access key to give access to the form control.
*
* @see W3C HTML Specification
*/
public final native String getAccessKey() /*-{
return this.accessKey;
}-*/;
/**
* Alternate text for user agents not rendering the normal content of this
* element.
*
* @see W3C HTML Specification
*/
public final native String getAlt() /*-{
return this.alt;
}-*/;
/**
* When the type attribute of the element has the value "text", "file" or
* "password", this represents the HTML value attribute of the element. The
* value of this attribute does not change if the contents of the
* corresponding form control, in an interactive user agent, changes.
*
* @see W3C HTML Specification
*/
public final native String getDefaultValue() /*-{
return this.defaultValue;
}-*/;
/**
* Returns the FORM element containing this control. Returns null if this
* control is not within the context of a form.
*/
public final native FormElement getForm() /*-{
return this.form;
}-*/;
/**
* Maximum number of characters for text fields, when type has the value
* "text" or "password".
*
* @see W3C HTML Specification
*/
public final native int getMaxLength() /*-{
return this.maxLength;
}-*/;
/**
* Form control or object name when submitted with a form.
*
* @see W3C HTML Specification
*/
public final native String getName() /*-{
return this.name;
}-*/;
/**
* Size information. The precise meaning is specific to each type of field.
*
* @see W3C HTML Specification
*/
public final native int getSize() /*-{
return this.size;
}-*/;
/**
* When the type attribute has the value "image", this attribute specifies the
* location of the image to be used to decorate the graphical submit button.
*
* @see W3C HTML Specification
*/
public final native String getSrc() /*-{
return this.src;
}-*/;
/**
* The type of control created (all lower case).
*
* @see W3C HTML Specification
*/
public final native String getType() /*-{
return this.type;
}-*/;
/**
* When the type attribute of the element has the value "text", "file" or
* "password", this represents the current contents of the corresponding form
* control, in an interactive user agent. Changing this attribute changes the
* contents of the form control, but does not change the value of the HTML
* value attribute of the element. When the type attribute of the element has
* the value "button", "hidden", "submit", "reset", "image", "checkbox" or
* "radio", this represents the HTML value attribute of the element.
*
* @see W3C HTML Specification
*/
public final native String getValue() /*-{
return this.value;
}-*/;
/**
* When the type attribute of the element has the value "radio" or "checkbox",
* this represents the current state of the form control, in an interactive
* user agent. Changes to this attribute change the state of the form control,
* but do not change the value of the HTML checked attribute of the INPUT
* element.
*
* Note: During the handling of a click event on an input element with a type
* attribute that has the value "radio" or "checkbox", some implementations
* may change the value of this property before the event is being dispatched
* in the document. If the default action of the event is canceled, the value
* of the property may be changed back to its original value. This means that
* the value of this property during the handling of click events is
* implementation dependent.
*/
public final native boolean isChecked() /*-{
return !!this.checked;
}-*/;
/**
* When type has the value "radio" or "checkbox", this represents the HTML
* checked attribute of the element. The value of this attribute does not
* change if the state of the corresponding form control, in an interactive
* user agent, changes.
*
* @see W3C HTML Specification
*/
public final native boolean isDefaultChecked() /*-{
return !!this.defaultChecked;
}-*/;
/**
* The control is unavailable in this context.
*
* @see W3C HTML Specification
*/
public final native boolean isDisabled() /*-{
return !!this.disabled;
}-*/;
/**
* This control is read-only. Relevant only when type has the value "text" or
* "password".
*
* @see W3C HTML Specification
*/
public final native boolean isReadOnly() /*-{
return !!this.readOnly;
}-*/;
/**
* Select the contents of the text area. For INPUT elements whose type
* attribute has one of the following values: "text", "file", or "password".
*/
public final native void select() /*-{
this.select();
}-*/;
/**
* A comma-separated list of content types that a server processing this form
* will handle correctly.
*
* @see W3C HTML Specification
*/
public final native void setAccept(String accept) /*-{
this.accept = accept;
}-*/;
/**
* A single character access key to give access to the form control.
*
* @see W3C HTML Specification
*/
public final native void setAccessKey(String accessKey) /*-{
this.accessKey = accessKey;
}-*/;
/**
* Alternate text for user agents not rendering the normal content of this
* element.
*
* @see W3C HTML Specification
*/
public final native void setAlt(String alt) /*-{
this.alt = alt;
}-*/;
/**
* When the type attribute of the element has the value "radio" or "checkbox",
* this represents the current state of the form control, in an interactive
* user agent. Changes to this attribute change the state of the form control,
* but do not change the value of the HTML checked attribute of the INPUT
* element.
*
* Note: During the handling of a click event on an input element with a type
* attribute that has the value "radio" or "checkbox", some implementations
* may change the value of this property before the event is being dispatched
* in the document. If the default action of the event is canceled, the value
* of the property may be changed back to its original value. This means that
* the value of this property during the handling of click events is
* implementation dependent.
*/
public final native void setChecked(boolean checked) /*-{
this.checked = checked;
}-*/;
/**
* When type has the value "radio" or "checkbox", this represents the HTML
* checked attribute of the element. The value of this attribute does not
* change if the state of the corresponding form control, in an interactive
* user agent, changes.
*
* @see W3C HTML Specification
*/
public final native void setDefaultChecked(boolean defaultChecked) /*-{
this.defaultChecked = defaultChecked;
}-*/;
/**
* When the type attribute of the element has the value "text", "file" or
* "password", this represents the HTML value attribute of the element. The
* value of this attribute does not change if the contents of the
* corresponding form control, in an interactive user agent, changes.
*
* @see W3C HTML Specification
*/
public final native void setDefaultValue(String defaultValue) /*-{
this.defaultValue = defaultValue;
}-*/;
/**
* The control is unavailable in this context.
*
* @see W3C HTML Specification
*/
public final native void setDisabled(boolean disabled) /*-{
this.disabled = disabled;
}-*/;
/**
* Maximum number of characters for text fields, when type has the value
* "text" or "password".
*
* @see W3C HTML Specification
*/
public final native void setMaxLength(int maxLength) /*-{
this.maxLength = maxLength;
}-*/;
/**
* Form control or object name when submitted with a form.
*
* @see W3C HTML Specification
*/
public final native void setName(String name) /*-{
this.name = name;
}-*/;
/**
* This control is read-only. Relevant only when type has the value "text" or
* "password".
*
* @see W3C HTML Specification
*/
public final native void setReadOnly(boolean readOnly) /*-{
this.readOnly = readOnly;
}-*/;
/**
* Size information. The precise meaning is specific to each type of field.
*
* @see W3C HTML Specification
*/
public final native void setSize(int size) /*-{
this.size = size;
}-*/;
/**
* When the type attribute has the value "image", this attribute specifies the
* location of the image to be used to decorate the graphical submit button.
*
* @see W3C HTML Specification
*/
public final native void setSrc(String src) /*-{
this.src = src;
}-*/;
/**
* Use client-side image map.
*
* @see W3C HTML Specification
*/
public final native void setUseMap(boolean useMap) /*-{
this.useMap = useMap;
}-*/;
/**
* When the type attribute of the element has the value "text", "file" or
* "password", this represents the current contents of the corresponding form
* control, in an interactive user agent. Changing this attribute changes the
* contents of the form control, but does not change the value of the HTML
* value attribute of the element. When the type attribute of the element has
* the value "button", "hidden", "submit", "reset", "image", "checkbox" or
* "radio", this represents the HTML value attribute of the element.
*
* @see W3C HTML Specification
*/
public final native void setValue(String value) /*-{
this.value = value;
}-*/;
/**
* Use client-side image map.
*
* @see W3C HTML Specification
*/
public final native boolean useMap() /*-{
return !!this.useMap;
}-*/;
}
