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Rewrote getSkin to be able to handle more than one skin manager.

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This commit is contained in:
hns 2001-08-10 21:11:36 +00:00
parent ac9db121db
commit c7dc65a7ed
1 changed files with 57 additions and 42 deletions
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95
src/helma/framework/core/RequestEvaluator.java
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@ -77,7 +77,8 @@ public class RequestEvaluator implements Runnable {
static final int XMLRPC = 2; // via XML-RPC
static final int INTERNAL = 3; // generic function call, e.g. by scheduler
INode root, userroot, currentNode, skinManager;
INode root, userroot, currentNode;
INode[] skinmanagers;
/**
* Build a RenderContext from a RequestTrans. Checks if the path is the user home node ("user")
@ -141,7 +142,7 @@ public class RequestEvaluator implements Runnable {
// app.logEvent ("got request "+reqtype);
// reset skinManager
skinManager = null;
skinmanagers = null;
switch (reqtype) {
case HTTP:
@ -737,49 +738,38 @@ public class RequestEvaluator implements Runnable {
}
public Skin getSkin (ESObject thisObject, String skinname) {
INode n = null;
Prototype proto = null;
Skin skin = null;
// FIXME: we can't do that, because if no db skinmanager exists we'll query over and over again
if (skinManager == null) {
skinManager = currentNode == null ? null : currentNode.getNode ("skinmanager", true);
// System.err.println ("SKINMGR: "+skinManager);
// mark as null
if (skinManager == null)
skinManager = new Node ("dummy");
}
if (thisObject != null && thisObject instanceof ESNode) {
n = ((ESNode) thisObject).getNode ();
// System.err.println ("GOT SKINMGR "+skinNode+" FROM "+n);
if (skinManager != null && !"dummy".equals (skinManager.getName())) {
skin = getSkinFromNode (skinManager, n.getPrototype (), skinname);
if (skin != null)
return skin;
}
proto = app.getPrototype (n);
// not found in node manager for this prototype.
// the next step is to look if it is defined as skin file for this prototype
if (proto != null) {
skin = proto.getSkin (skinname);
// if we have a thisObject and didn't find the skin, try in parent prototype
if (skin == null && n != null) {
proto = proto.getPrototype ();
if (proto != null)
skin = proto.getSkin (skinname);
}
}
} else {
// the requested skin is global - start from currentNode (=end of request path) for app skin retrieval
if (skinManager != null) {
skin = getSkinFromNode (skinManager, "global", skinname);
if (skin != null)
return skin;
}
if (thisObject == null)
proto = app.typemgr.getPrototype ("global");
skin = proto.getSkin (skinname);
else
proto = app.getPrototype (((ESNode) thisObject).getNode ());
return getSkin (proto, skinname);
}
public Skin getSkin (Prototype proto, String skinname) {
if (proto == null)
return null;
if (skinmanagers == null)
getSkinManagers ();
do {
for (int i=0; i<skinmanagers.length; i++) {
Skin skin = getSkinFromNode (skinmanagers[i], proto.getName (), skinname);
if (skin != null)
return skin;
}
// not found in node managers for this prototype.
// the next step is to look if it is defined as skin file for this prototype
Skin skin = proto.getSkin (skinname);
if (skin != null)
return skin;
// still not found. See if there is a parent prototype which might define the skin
proto = proto.getPrototype ();
} while (proto != null);
// looked every where, nothing to be found
return null;
}
private Skin getSkinFromNode (INode node, String prototype, String skinname) {
if (prototype == null)
@ -804,6 +794,31 @@ public class RequestEvaluator implements Runnable {
return null;
}
/**
* Get an array of skin managers for a request path so it is retrieved ony once per request
*/
private void getSkinManagers () {
Vector v = new Vector ();
for (int i=reqPath.size()-1; i>=0; i--) try {
ESNode esn = (ESNode) reqPath.getProperty (i);
INode n = esn.getNode ();
DbMapping dbm = n.getDbMapping ();
if (dbm == null)
continue;
String[] skinmgr = dbm.getSkinManagers();
if (skinmgr == null)
continue;
for (int j=0; j<skinmgr.length; j++) {
INode sm = n.getNode (skinmgr[j], false);
if (sm != null)
v.addElement (sm);
}
} catch (Exception ignore) { }
skinmanagers = new INode[v.size()];
v.copyInto (skinmanagers);
}
/**
* Returns a node wrapper only if it already exists in the cache table. This is used
* in those places when wrappers have to be updated if they already exist.