# -*- coding: utf-8 -*-
from Components.Converter.StringList import StringList
from Screens.Menu import MenuEntryPixmap
class TemplatedMultiContent_SoftwareManager(StringList):
    """Turns a python tuple list into a multi-content list which can be used in a listbox renderer."""
    def __init__(self, args):
        self.pngcache = {}
        StringList.__init__(self, args)
        from enigma import eListboxPythonMultiContent, gFont, RT_HALIGN_LEFT, RT_HALIGN_CENTER, RT_HALIGN_RIGHT, RT_VALIGN_TOP, RT_VALIGN_CENTER, RT_VALIGN_BOTTOM, RT_WRAP
        from Components.MultiContent import MultiContentEntryText, MultiContentEntryTextAlphaBlend, MultiContentEntryPixmap, MultiContentEntryPixmapAlphaTest, MultiContentEntryPixmapAlphaBlend, MultiContentTemplateColor, MultiContentEntryProgress, MultiContentEntryProgressPixmap
        l = locals()
        del l["self"] # cleanup locals a bit
        del l["args"]
        self.active_style = None
        self.active_buildfunc = None
        self.selectionEnabled = True
        self.template = eval(args, {}, l)

        assert "template" in self.template or "templates" in self.template
        assert "template" in self.template or "default" in self.template["templates"] # we need to have a default template
        assert "fonts" in self.template

        if not "template" in self.template: # default template can be ["template"] or ["templates"]["default"]
            self.template["template"] = self.template["templates"]["default"][1]
            self.template["itemHeight"] = self.template["template"][0]

        assert "itemHeight" in self.template

    def changed(self, what):
        if not self.content:
            from enigma import eListboxPythonMultiContent
            self.content = eListboxPythonMultiContent()

            # also setup fonts (also given by source)
            index = 0
            for f in self.template["fonts"]:
                self.content.setFont(index, f)
                index += 1

        # if only template changed, don't reload list
        if what[0] == self.CHANGED_SPECIFIC and what[1] in ("style", "buildfunc", "selection_enabled"):
            pass
        elif self.source is not None:
            self.content.setList(self.convertList(self.source.list))

        self.setTemplate()
        self.downstream_elements.changed(what)

    def setTemplate(self):
        if self.source is not None:
            buildfunc = self.source.buildfunc
            if buildfunc != self.active_buildfunc:
                self.active_buildfunc = buildfunc
                self.content.setBuildFunc(buildfunc)

            selection_enabled = self.source.selection_enabled
            if selection_enabled != self.selectionEnabled:
                self.selectionEnabled = selection_enabled
                self.content.setSelectionEnable(selection_enabled)

            style = self.source.style

            if style == self.active_style:
                return

            # if skin defined "templates", that means that it defines multiple styles in a dict. template should still be a default
            templates = self.template.get("templates")
            template = self.template.get("template")
            itemheight = self.template["itemHeight"]
            selectionEnabled = self.template.get("selectionEnabled", True)
            scrollbarMode = self.template.get("scrollbarMode", None)

            if templates and style and style in templates: # if we have a custom style defined in the source, and different templates in the skin, look it up
                template = templates[style][1]
                itemheight = templates[style][0]
                if len(templates[style]) > 2:
                    selectionEnabled = templates[style][2]
                if len(templates[style]) > 3:
                    scrollbarMode = templates[style][3]

            self.content.setTemplate(template)
            self.content.setItemHeight(itemheight)
            self.selectionEnabled = selectionEnabled
            self.content.setSelectionEnable(selectionEnabled)
            if scrollbarMode is not None:
                self.scrollbarMode = scrollbarMode
            self.active_style = style

    def convertList(self, l):
        return [(item[0],item[1],item[2],item[3], MenuEntryPixmap(item[0], self.pngcache, None)) for item in l]