paulb@30 | 1 | #!/usr/bin/env python |
paulb@30 | 2 | |
paulb@30 | 3 | "A WebStack application for a system configurator." |
paulb@30 | 4 | |
paulb@30 | 5 | import WebStack.Generic |
paulb@79 | 6 | import XSLForms.Utils |
paulb@353 | 7 | import XSLForms.Resources.WebResources |
paulb@30 | 8 | import os |
paulb@30 | 9 | |
paulb@99 | 10 | # Site map imports. |
paulb@99 | 11 | |
paulb@99 | 12 | from WebStack.Resources.ResourceMap import MapResource |
paulb@99 | 13 | from WebStack.Resources.Static import DirectoryResource |
paulb@99 | 14 | |
paulb@99 | 15 | # Resource classes. |
paulb@99 | 16 | |
paulb@353 | 17 | class ConfiguratorResource(XSLForms.Resources.WebResources.XSLFormsResource): |
paulb@30 | 18 | |
paulb@30 | 19 | "A resource providing a system configurator." |
paulb@30 | 20 | |
paulb@30 | 21 | resource_dir = os.path.join(os.path.split(__file__)[0], "Resources") |
paulb@30 | 22 | encoding = "utf-8" |
paulb@84 | 23 | template_resources = { |
paulb@265 | 24 | "configuration" : ("config_template.xhtml", "config_output.xsl") |
paulb@265 | 25 | } |
paulb@265 | 26 | init_resources = { |
paulb@265 | 27 | "configuration" : ("config_template.xhtml", "config_input.xsl") |
paulb@242 | 28 | } |
paulb@242 | 29 | transform_resources = { |
paulb@265 | 30 | "filter" : ["config_filter.xsl"] |
paulb@242 | 31 | } |
paulb@242 | 32 | document_resources = { |
paulb@265 | 33 | "accessories" : "config_accessories.xml", |
paulb@265 | 34 | "base-system" : "config_base_system.xml", |
paulb@265 | 35 | "cpu" : "config_cpu.xml", |
paulb@265 | 36 | "hard-disk" : "config_hard_disk.xml", |
paulb@265 | 37 | "keyboard" : "config_keyboard.xml", |
paulb@265 | 38 | "memory-unit" : "config_memory_unit.xml", |
paulb@265 | 39 | "mouse" : "config_mouse.xml", |
paulb@265 | 40 | "screen" : "config_screen.xml", |
paulb@433 | 41 | "storage-unit" : "config_storage_unit.xml", |
paulb@433 | 42 | "translations" : "translations.xml" |
paulb@84 | 43 | } |
paulb@79 | 44 | in_page_resources = { |
paulb@113 | 45 | "cpu" : ("config_output_cpu.xsl", "cpu-node"), |
paulb@113 | 46 | "memory" : ("config_output_memory.xsl", "memory-node"), |
paulb@162 | 47 | "hard-disks" : ("config_output_harddisks.xsl", "hard-disks-node"), |
paulb@162 | 48 | "accessories" : ("config_output_accessories.xsl", "accessories-node") |
paulb@79 | 49 | } |
paulb@79 | 50 | |
paulb@82 | 51 | def respond_to_form(self, trans, form): |
paulb@30 | 52 | |
paulb@82 | 53 | """ |
paulb@82 | 54 | Respond to a request having the given transaction 'trans' and the given |
paulb@82 | 55 | 'form' information. |
paulb@82 | 56 | """ |
paulb@30 | 57 | |
paulb@113 | 58 | in_page_resource = self.get_in_page_resource(trans) |
paulb@82 | 59 | parameters = form.get_parameters() |
paulb@82 | 60 | documents = form.get_documents() |
paulb@483 | 61 | |
paulb@483 | 62 | # Creating selected elements. |
paulb@483 | 63 | |
paulb@483 | 64 | selectors = form.get_selectors(create=1) |
paulb@30 | 65 | |
paulb@30 | 66 | # Ensure the presence of a document. |
paulb@30 | 67 | |
paulb@30 | 68 | if documents.has_key("configuration"): |
paulb@30 | 69 | configuration = documents["configuration"] |
paulb@30 | 70 | else: |
paulb@82 | 71 | configuration = form.new_instance("configuration") |
paulb@30 | 72 | |
paulb@30 | 73 | # Add and remove elements according to the selectors found. |
paulb@30 | 74 | |
paulb@79 | 75 | XSLForms.Utils.add_elements(selectors.get("add-memory-unit"), "memory-unit") |
paulb@79 | 76 | XSLForms.Utils.remove_elements(selectors.get("remove-memory-unit")) |
paulb@79 | 77 | XSLForms.Utils.add_elements(selectors.get("add-storage-unit"), "storage-unit") |
paulb@79 | 78 | XSLForms.Utils.remove_elements(selectors.get("remove-storage-unit")) |
paulb@79 | 79 | XSLForms.Utils.add_elements(selectors.get("add-hard-disk"), "hard-disk") |
paulb@79 | 80 | XSLForms.Utils.remove_elements(selectors.get("remove-hard-disk")) |
paulb@30 | 81 | |
paulb@30 | 82 | # Send a response according to certain parameters. |
paulb@30 | 83 | # When exported, an XML version of the data is returned. |
paulb@30 | 84 | |
paulb@30 | 85 | if parameters.has_key("export"): |
paulb@30 | 86 | trans.set_content_type(WebStack.Generic.ContentType("text/xml", self.encoding)) |
paulb@66 | 87 | configuration.toStream(trans.get_response_stream(), trans.get_response_stream_encoding()) |
paulb@30 | 88 | |
paulb@30 | 89 | # When not exported, the data is transformed to produce a normal Web |
paulb@30 | 90 | # page. |
paulb@30 | 91 | |
paulb@30 | 92 | else: |
paulb@30 | 93 | |
paulb@30 | 94 | # Transform, adding enumerations/ranges. |
paulb@30 | 95 | |
paulb@265 | 96 | init_xsl = self.prepare_initialiser("configuration") |
paulb@295 | 97 | configuration = self.get_result([init_xsl], configuration, |
paulb@295 | 98 | references={ |
paulb@295 | 99 | "accessories" : self.prepare_document("accessories"), |
paulb@295 | 100 | "base-system" : self.prepare_document("base-system"), |
paulb@295 | 101 | "cpu" : self.prepare_document("cpu"), |
paulb@295 | 102 | "hard-disk" : self.prepare_document("hard-disk"), |
paulb@295 | 103 | "keyboard" : self.prepare_document("keyboard"), |
paulb@295 | 104 | "memory-unit" : self.prepare_document("memory-unit"), |
paulb@295 | 105 | "mouse" : self.prepare_document("mouse"), |
paulb@295 | 106 | "screen" : self.prepare_document("screen"), |
paulb@295 | 107 | "storage-unit" : self.prepare_document("storage-unit") |
paulb@265 | 108 | }) |
paulb@265 | 109 | |
paulb@265 | 110 | # Filter out inappropriate choices. |
paulb@265 | 111 | |
paulb@265 | 112 | filter_xsl_list = self.prepare_transform("filter") |
paulb@295 | 113 | configuration = self.get_result(filter_xsl_list, configuration) |
paulb@30 | 114 | |
paulb@30 | 115 | # Start the response. |
paulb@30 | 116 | |
paulb@71 | 117 | trans.set_content_type(WebStack.Generic.ContentType("application/xhtml+xml", self.encoding)) |
paulb@30 | 118 | |
paulb@30 | 119 | # Ensure that an output stylesheet exists. |
paulb@30 | 120 | |
paulb@113 | 121 | if in_page_resource in self.in_page_resources.keys(): |
paulb@113 | 122 | trans_xsl = self.prepare_fragment("configuration", in_page_resource) |
paulb@295 | 123 | stylesheet_parameters = self.prepare_parameters(parameters) |
paulb@79 | 124 | else: |
paulb@84 | 125 | trans_xsl = self.prepare_output("configuration") |
paulb@295 | 126 | stylesheet_parameters = {} |
paulb@84 | 127 | |
paulb@30 | 128 | # Complete the response. |
paulb@30 | 129 | |
paulb@433 | 130 | stylesheet_parameters["locale"] = trans.get_content_languages()[0] |
paulb@433 | 131 | self.send_output(trans, [trans_xsl], configuration, stylesheet_parameters, |
paulb@433 | 132 | references={"translations" : self.prepare_document("translations")}) |
paulb@30 | 133 | |
paulb@295 | 134 | #from XSLTools import XSLOutput |
paulb@79 | 135 | #import sys |
paulb@483 | 136 | #proc = XSLOutput.Processor([trans_xsl], parameters=stylesheet_parameters, |
paulb@483 | 137 | # references={"translations" : self.prepare_document("translations")}) |
paulb@79 | 138 | #proc.send_output(sys.stderr, "iso-8859-1", configuration) |
paulb@51 | 139 | |
paulb@99 | 140 | # Site map initialisation. |
paulb@99 | 141 | |
paulb@99 | 142 | def get_site(): |
paulb@99 | 143 | |
paulb@99 | 144 | "Return a simple Web site resource." |
paulb@99 | 145 | |
paulb@99 | 146 | # Get the main resource and the directory used by the application. |
paulb@99 | 147 | |
paulb@99 | 148 | configurator_resource = ConfiguratorResource() |
paulb@99 | 149 | directory = configurator_resource.resource_dir |
paulb@99 | 150 | |
paulb@99 | 151 | # Make a simple Web site. |
paulb@99 | 152 | |
paulb@99 | 153 | resource = MapResource({ |
paulb@99 | 154 | # Static resources: |
paulb@99 | 155 | "styles" : DirectoryResource(os.path.join(directory, "styles"), {"css" : "text/css"}), |
paulb@99 | 156 | "scripts" : DirectoryResource(os.path.join(directory, "scripts"), {"js" : "text/javascript"}), |
paulb@99 | 157 | # Main page: |
paulb@99 | 158 | "" : configurator_resource, |
paulb@99 | 159 | # Fragments: |
paulb@99 | 160 | "cpu" : configurator_resource, |
paulb@99 | 161 | "memory" : configurator_resource, |
paulb@162 | 162 | "hard-disks" : configurator_resource, |
paulb@162 | 163 | "accessories" : configurator_resource |
paulb@99 | 164 | }) |
paulb@99 | 165 | |
paulb@99 | 166 | return resource |
paulb@99 | 167 | |
paulb@30 | 168 | # vim: tabstop=4 expandtab shiftwidth=4 |