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persistent.c

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/*
 * Copyright (c) 2002 Ingo Richter and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *    Ingo Richter - Initial implementation.
 */
#define strict

#include <windows.h>
#include <windowsx.h>

#include <commctrl.h>

#include <assert.h>

#include "persistent.h"
#include "launcherconfig.h"
#include "eclipselauncher.h"
#include "registryhelper.h"

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
TCHAR* createConfigKey(int configNumber)
{
    TCHAR* name = (TCHAR*) malloc(20);
    wsprintf(name, "Config%d", configNumber);

    return name;
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
TCHAR* createSectionKey(TCHAR* configKey)
{
    TCHAR* sectionKey = (TCHAR*)malloc(BUFFERSIZE_256);
    wsprintf(sectionKey, "%s%s", REG_APP_KEY, configKey);

    return sectionKey;
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
void createConfigCountKey(int configurations)
{
    TCHAR configCount[10] = {0};
    wsprintf(configCount, "%d", configurations);

    CreateKey(REG_APP_KEY, KEY_CONFIGCOUNT, configCount);
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
void loadConfiguration(HWND hListbox)
{
    int bufferSize = 10;
    int tempBufferSize = BUFFERSIZE_512;
    int configurations;
    int i = 0;

    TCHAR tempBuffer[BUFFERSIZE_512] = {0}; // inited with size of tempBufferSize
    TCHAR* config = (TCHAR*)malloc(bufferSize);
    ZeroMemory(config, bufferSize);
    QueryKey(HKEY_CURRENT_USER, REG_APP_KEY, KEY_CONFIGCOUNT, config, bufferSize);

    configurations = atoi(config);

    for(i = 0; i < configurations; i++)
    {
        LPLAUNCHERCONFIG launcherconfig = createLauncherConfig();

        TCHAR* name = createConfigKey(i+1);
        TCHAR* section = createSectionKey(name);

        QueryKey(HKEY_CURRENT_USER, section, KEY_CONFIGNAME, tempBuffer, tempBufferSize);
        setName(launcherconfig, tempBuffer, tempBufferSize);

        QueryKey(HKEY_CURRENT_USER, section, KEY_EXECUTABLEPATH, tempBuffer, tempBufferSize);
        setExecutablePath(launcherconfig, tempBuffer, tempBufferSize);

        QueryKey(HKEY_CURRENT_USER, section, KEY_OPTIONALPARAMETER, tempBuffer, tempBufferSize);
        setOptionalParameter(launcherconfig, tempBuffer, tempBufferSize);

        QueryKey(HKEY_CURRENT_USER, section, KEY_WORKSPACEPATH, tempBuffer, tempBufferSize);
        setWorkspacePath(launcherconfig, tempBuffer, tempBufferSize);

        QueryKey(HKEY_CURRENT_USER, section, KEY_VMPARAMETER, tempBuffer, tempBufferSize);
        setVMParameter(launcherconfig, tempBuffer, tempBufferSize);

        QueryKey(HKEY_CURRENT_USER, section, KEY_ECLIPSEJAVAVM, tempBuffer, tempBufferSize);
        setJavaVM(launcherconfig, tempBuffer, tempBufferSize);

        addLauchnerConfigToList(hListbox, launcherconfig, NEW_POSITION);

        free(name);
        free(section);
    }
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
void saveConfiguration(HWND hListbox)
{
    int configurations = getConfigurationCount(hListbox);

    if(configurations > 0)
    {
        int i;
        createConfigCountKey(configurations);

        for(i = 0; i < configurations; i++)
        {
            LPLAUNCHERCONFIG launcherconfig = getLauncherConfig(hListbox, i);

            TCHAR* name = createConfigKey(i+1);
            TCHAR* section = createSectionKey(name);

            CreateKey(section, KEY_CONFIGNAME, getName(launcherconfig));
            CreateKey(section, KEY_EXECUTABLEPATH, getExecutablePath(launcherconfig));
            CreateKey(section, KEY_OPTIONALPARAMETER, getOptionalParameter(launcherconfig));
            CreateKey(section, KEY_WORKSPACEPATH, getWorkspacePath(launcherconfig));
            CreateKey(section, KEY_VMPARAMETER, getVMParameter(launcherconfig));
            CreateKey(section, KEY_ECLIPSEJAVAVM, getJavaVM(launcherconfig));

            free(name);
            free(section);
        }
    }
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
int getConfigurationCount(HWND hListBox)
{
    return(ListView_GetItemCount(hListBox));
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
LPLAUNCHERCONFIG getLauncherConfig(HWND hListBox, int currentSelection)
{
    LV_ITEM item = {0};
    item.mask = LVIF_PARAM;
    item.iItem = currentSelection;

    ListView_GetItem(hListBox, &item);

    return((LPLAUNCHERCONFIG)item.lParam);
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
int getCurrentSelection(HWND hListBox)
{
    return(ListView_GetNextItem(hListBox, (-1), LVNI_SELECTED));
}

BOOL setColumnValues(HWND hListBox, LPLAUNCHERCONFIG launcherConfig, int positionToInsertItem)
{
    LV_ITEM item = {0};

    item.mask = LVIF_TEXT;
    item.iItem = positionToInsertItem;
    item.iSubItem = 1;
    item.pszText = getWorkspacePath(launcherConfig);

    ListView_SetItem(hListBox, &item);

    item.iSubItem = 2;
    item.pszText = getJavaVM(launcherConfig);

    ListView_SetItem(hListBox, &item);

    item.iSubItem = 3;
    item.pszText = getVMParameter(launcherConfig);

    return ListView_SetItem(hListBox, &item);
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
BOOL addLauchnerConfigToList(HWND hListBox, LPLAUNCHERCONFIG launcherConfig, int positionToInsertItem)
{
    LV_ITEM item = {0};
    int newInsertedPosition;

    int newPos = positionToInsertItem;

    assert(launcherConfig != NULL);

    if(newPos == NEW_POSITION)
    {
        newPos = ListView_GetItemCount(hListBox);
    }

    item.mask = LVIF_TEXT | LVIF_PARAM;
    item.iItem =  newPos;
    item.iSubItem = 0;
    item.pszText = getName(launcherConfig);
    item.lParam = (LPARAM)launcherConfig;

    newInsertedPosition = ListView_InsertItem(hListBox, &item);

    return setColumnValues(hListBox, launcherConfig, newInsertedPosition);
}

/*
 * Describe here
 * @param lpSubkey
 * @param lpClass
 * @param lpData
 */
BOOL updateLauchnerConfig(HWND hListBox, LPLAUNCHERCONFIG launcherConfig, int positionToInsertItem)
{
    LV_ITEM item = {0};

    assert(launcherConfig != NULL);

    item.mask = LVIF_TEXT | LVIF_PARAM;
    item.iItem =  positionToInsertItem;
    item.iSubItem = 0;
    item.pszText = getName(launcherConfig);
    item.lParam = (LPARAM)launcherConfig;

    ListView_SetItem(hListBox, &item);

    setColumnValues(hListBox, launcherConfig, positionToInsertItem);

    return(ListView_Update(hListBox, positionToInsertItem));
}

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