package com.googlecode.gwt.test.internal.patchers;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Node;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.PotentialElement;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.Widget;
import com.googlecode.gwt.test.patchers.PatchClass;
import com.googlecode.gwt.test.patchers.PatchMethod;
import com.googlecode.gwt.test.utils.GwtReflectionUtils;
@PatchClass(UIObject.class)
class UIObjectPatcher {
@PatchMethod
static double extractLengthValue(UIObject uiObject, String s) {
if ("auto".equals(s) || "inherit".equals(s) || "".equals(s)) {
return 0;
}
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if (c >= '0' && c <= '9') {
buffer.append(c);
}
}
return Double.parseDouble(buffer.toString());
}
@PatchMethod
static boolean isVisible(Element elem) {
String display = elem.getStyle().getProperty("display");
return !display.equals("none");
}
@PatchMethod
static void replaceElement(UIObject uiObject, Element elem) {
Element element = GwtReflectionUtils.getPrivateFieldValue(uiObject, "element");
if (element != null) {
// replace this.element in its parent with elem.
replaceNode(uiObject, element, elem);
}
GwtReflectionUtils.setPrivateFieldValue(uiObject, "element", elem);
}
@PatchMethod
static void replaceNode(UIObject uiObject, Element node, Element newNode) {
Node parent = node.getParentNode();
if (parent != null) {
parent.insertBefore(newNode, node);
parent.removeChild(node);
}
}
@PatchMethod
static void setElement(UIObject uiObject, com.google.gwt.user.client.Element elem) {
Element element = GwtReflectionUtils.getPrivateFieldValue(uiObject, "element");
assert element == null || PotentialElement.isPotential(element) : "Element may only be set once";
GwtReflectionUtils.setPrivateFieldValue(uiObject, "element", elem);
// Bind the widget to listen to element so we can trigger event on it even
// if the widget has not been attached yet
if (Widget.class.isInstance(uiObject)) {
DOM.setEventListener(elem, (Widget) uiObject);
}
}
@PatchMethod
static void setVisible(Element elem, boolean visible) {
String display = visible ? "" : "none";
elem.getStyle().setProperty("display", display);
}
@PatchMethod
static void updatePrimaryAndDependentStyleNames(Element elem, String newPrimaryStyle) {
String[] classes = elem.getPropertyString("className").split(" ");
if (classes.length < 1) {
elem.setPropertyString("className", newPrimaryStyle);
} else {
String oldPrimaryStyle = classes[0];
int oldPrimaryStyleLen = oldPrimaryStyle.length();
classes[0] = newPrimaryStyle;
for (int i = 1; i < classes.length; i++) {
String name = classes[i];
if (name.length() > oldPrimaryStyleLen && name.charAt(oldPrimaryStyleLen) == '-'
&& name.indexOf(oldPrimaryStyle) == 0) {
classes[i] = newPrimaryStyle + name.substring(oldPrimaryStyleLen);
}
}
StringBuilder sb = new StringBuilder();
for (String name : classes) {
sb.append(name + " ");
}
elem.setPropertyString("className", sb.toString().trim());
}
}
}